{"id":1854,"date":"2026-02-07T19:46:36","date_gmt":"2026-02-07T10:46:36","guid":{"rendered":"https:\/\/dev.rftcjapan.org\/?page_id=1854"},"modified":"2026-06-03T10:17:49","modified_gmt":"2026-06-03T01:17:49","slug":"understanding-the-risk-of-breast-cancer","status":"publish","type":"page","link":"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/understanding-the-risk-of-breast-cancer\/","title":{"rendered":"Understanding the Risk of Breast Cancer"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1854\" class=\"elementor elementor-1854\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-85727aa e-flex e-con-boxed e-con e-parent\" data-id=\"85727aa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-dd05be5 e-con-full elementor-hidden-mobile e-flex e-con e-child\" data-id=\"dd05be5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-400364b e-con-full e-flex e-con e-child\" data-id=\"400364b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;],&quot;sticky_offset&quot;:100,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9df14d5 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"9df14d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h2 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h2>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__9df14d5\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__9df14d5\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-up\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M177 159.7l136 136c9.4 9.4 9.4 24.6 0 33.9l-22.6 22.6c-9.4 9.4-24.6 9.4-33.9 0L160 255.9l-96.4 96.4c-9.4 9.4-24.6 9.4-33.9 0L7 329.7c-9.4-9.4-9.4-24.6 0-33.9l136-136c9.4-9.5 24.6-9.5 34-.1z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__9df14d5\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b96296 elementor-widget elementor-widget-heading\" data-id=\"2b96296\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">About Breast Cancer<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b3d33c elementor-widget elementor-widget-template\" data-id=\"0b3d33c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"section\" data-elementor-id=\"3044\" class=\"elementor elementor-3044\" data-elementor-post-type=\"elementor_library\">\n\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2330\" class=\"elementor-element elementor-element-fd830c6 e-con-full e-grid e-con e-child\" data-id=\"fd830c6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2330\" class=\"elementor-element elementor-element-3717cd6 e-con-full e-flex e-con e-child\" data-id=\"3717cd6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e6c4d06 elementor-widget elementor-widget-heading\" data-id=\"e6c4d06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Breast Cancer Basics<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c84b33f elementor-nav-menu--dropdown-none elementor-widget elementor-widget-nav-menu\" data-id=\"c84b33f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;layout&quot;:&quot;vertical&quot;,&quot;submenu_icon&quot;:{&quot;value&quot;:&quot;&lt;i aria-hidden=\\&quot;true\\&quot; class=\\&quot;\\&quot;&gt;&lt;\\\/i&gt;&quot;,&quot;library&quot;:&quot;&quot;}}\" data-widget_type=\"nav-menu.default\">\n\t\t\t\t\t\t\t\t<nav aria-label=\"\u30e1\u30cb\u30e5\u30fc\" class=\"elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-vertical e--pointer-none\">\n\t\t\t\t<ul id=\"menu-1-c84b33f\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2517\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/what-is-breast-cancer\/\" class=\"elementor-item\">What is Breast Cancer?<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2515\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/breast-cancer-statistics-global-japan\/\" class=\"elementor-item\">Breast Cancer Statistics (Global &amp; Japan)<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2516\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/understanding-the-risk-of-breast-cancer\/\" class=\"elementor-item\">Understanding the Risk of Breast Cancer<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<nav class=\"elementor-nav-menu--dropdown elementor-nav-menu__container\" aria-hidden=\"true\">\n\t\t\t\t<ul id=\"menu-2-c84b33f\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2517\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/what-is-breast-cancer\/\" class=\"elementor-item\" tabindex=\"-1\">What is Breast Cancer?<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2515\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/breast-cancer-statistics-global-japan\/\" class=\"elementor-item\" tabindex=\"-1\">Breast Cancer Statistics (Global &amp; Japan)<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2516\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/understanding-the-risk-of-breast-cancer\/\" class=\"elementor-item\" tabindex=\"-1\">Understanding the Risk of Breast Cancer<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2330\" class=\"elementor-element elementor-element-67a9bd1 e-con-full e-flex e-con e-child\" data-id=\"67a9bd1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed0de9e elementor-widget elementor-widget-heading\" data-id=\"ed0de9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Diagnosis &amp; Staging<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c981917 elementor-nav-menu--dropdown-none elementor-widget elementor-widget-nav-menu\" data-id=\"c981917\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;layout&quot;:&quot;vertical&quot;,&quot;submenu_icon&quot;:{&quot;value&quot;:&quot;&lt;svg aria-hidden=\\&quot;true\\&quot; class=\\&quot;e-font-icon-svg e-fas-caret-down\\&quot; viewBox=\\&quot;0 0 320 512\\&quot; xmlns=\\&quot;http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\&quot;&gt;&lt;path d=\\&quot;M31.3 192h257.3c17.8 0 26.7 21.5 14.1 34.1L174.1 354.8c-7.8 7.8-20.5 7.8-28.3 0L17.2 226.1C4.6 213.5 13.5 192 31.3 192z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;,&quot;library&quot;:&quot;fa-solid&quot;}}\" data-widget_type=\"nav-menu.default\">\n\t\t\t\t\t\t\t\t<nav aria-label=\"\u30e1\u30cb\u30e5\u30fc\" class=\"elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-vertical e--pointer-none\">\n\t\t\t\t<ul id=\"menu-1-c981917\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2521\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/signs-and-symptoms\/\" class=\"elementor-item\">Signs and Symptoms<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2522\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/the-stages-of-breast-cancer\/\" class=\"elementor-item\">The Stages of Breast Cancer<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2523\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/tumor-size-and-staging\/\" class=\"elementor-item\">Tumor Size and Staging<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2520\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/metastases-and-staging\/\" class=\"elementor-item\">Metastases and Staging<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2519\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/early-stage-breast-cancers-non-invasive\/\" class=\"elementor-item\">Early-Stage Breast Cancers (Non-invasive)<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<nav class=\"elementor-nav-menu--dropdown elementor-nav-menu__container\" aria-hidden=\"true\">\n\t\t\t\t<ul id=\"menu-2-c981917\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2521\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/signs-and-symptoms\/\" class=\"elementor-item\" tabindex=\"-1\">Signs and Symptoms<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2522\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/the-stages-of-breast-cancer\/\" class=\"elementor-item\" tabindex=\"-1\">The Stages of Breast Cancer<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2523\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/tumor-size-and-staging\/\" class=\"elementor-item\" tabindex=\"-1\">Tumor Size and Staging<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2520\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/metastases-and-staging\/\" class=\"elementor-item\" tabindex=\"-1\">Metastases and Staging<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2519\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/early-stage-breast-cancers-non-invasive\/\" class=\"elementor-item\" tabindex=\"-1\">Early-Stage Breast Cancers (Non-invasive)<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2330\" class=\"elementor-element elementor-element-dd578e0 e-con-full e-flex e-con e-child\" data-id=\"dd578e0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6342a8d elementor-widget elementor-widget-heading\" data-id=\"6342a8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Risk Factors &amp; Genetics<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-857c29f elementor-nav-menu--dropdown-none elementor-widget elementor-widget-nav-menu\" data-id=\"857c29f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;layout&quot;:&quot;vertical&quot;,&quot;submenu_icon&quot;:{&quot;value&quot;:&quot;&lt;svg aria-hidden=\\&quot;true\\&quot; class=\\&quot;e-font-icon-svg e-fas-caret-down\\&quot; viewBox=\\&quot;0 0 320 512\\&quot; xmlns=\\&quot;http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\&quot;&gt;&lt;path d=\\&quot;M31.3 192h257.3c17.8 0 26.7 21.5 14.1 34.1L174.1 354.8c-7.8 7.8-20.5 7.8-28.3 0L17.2 226.1C4.6 213.5 13.5 192 31.3 192z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;,&quot;library&quot;:&quot;fa-solid&quot;}}\" data-widget_type=\"nav-menu.default\">\n\t\t\t\t\t\t\t\t<nav aria-label=\"\u30e1\u30cb\u30e5\u30fc\" class=\"elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-vertical e--pointer-none\">\n\t\t\t\t<ul id=\"menu-1-857c29f\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2525\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/brca1-and-brca2-mutations-in-men\/\" class=\"elementor-item\">BRCA1 and BRCA2 Mutations in Men<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2526\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/brca1-and-brca2-mutations-in-women\/\" class=\"elementor-item\">BRCA1 and BRCA2 Mutations in Women<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2528\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/lobular-carcinoma-in-situ-lcis\/\" class=\"elementor-item\">Lobular Carcinoma in Situ (LCIS)<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2527\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/early-life-exposures\/\" class=\"elementor-item\">Early Life Exposures<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<nav class=\"elementor-nav-menu--dropdown elementor-nav-menu__container\" aria-hidden=\"true\">\n\t\t\t\t<ul id=\"menu-2-857c29f\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2525\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/brca1-and-brca2-mutations-in-men\/\" class=\"elementor-item\" tabindex=\"-1\">BRCA1 and BRCA2 Mutations in Men<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2526\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/brca1-and-brca2-mutations-in-women\/\" class=\"elementor-item\" tabindex=\"-1\">BRCA1 and BRCA2 Mutations in Women<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2528\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/lobular-carcinoma-in-situ-lcis\/\" class=\"elementor-item\" tabindex=\"-1\">Lobular Carcinoma in Situ (LCIS)<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2527\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/early-life-exposures\/\" class=\"elementor-item\" tabindex=\"-1\">Early Life Exposures<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2330\" class=\"elementor-element elementor-element-8382bf4 e-con-full e-flex e-con e-child\" data-id=\"8382bf4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f24ff62 elementor-widget elementor-widget-heading\" data-id=\"f24ff62\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Benign Breast Conditions<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e396cf6 elementor-nav-menu--dropdown-none elementor-widget elementor-widget-nav-menu\" data-id=\"e396cf6\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;layout&quot;:&quot;vertical&quot;,&quot;submenu_icon&quot;:{&quot;value&quot;:&quot;&lt;svg aria-hidden=\\&quot;true\\&quot; class=\\&quot;e-font-icon-svg e-fas-caret-down\\&quot; viewBox=\\&quot;0 0 320 512\\&quot; xmlns=\\&quot;http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\&quot;&gt;&lt;path d=\\&quot;M31.3 192h257.3c17.8 0 26.7 21.5 14.1 34.1L174.1 354.8c-7.8 7.8-20.5 7.8-28.3 0L17.2 226.1C4.6 213.5 13.5 192 31.3 192z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;,&quot;library&quot;:&quot;fa-solid&quot;}}\" data-widget_type=\"nav-menu.default\">\n\t\t\t\t\t\t\t\t<nav aria-label=\"\u30e1\u30cb\u30e5\u30fc\" class=\"elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-vertical e--pointer-none\">\n\t\t\t\t<ul id=\"menu-1-e396cf6\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7721\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/chemo-side-effects\/\" class=\"elementor-item\">Chemo side effects<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2529\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/patient-faq\/\" class=\"elementor-item\">Patient FAQ<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<nav class=\"elementor-nav-menu--dropdown elementor-nav-menu__container\" aria-hidden=\"true\">\n\t\t\t\t<ul id=\"menu-2-e396cf6\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7721\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/chemo-side-effects\/\" class=\"elementor-item\" tabindex=\"-1\">Chemo side effects<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2529\"><a href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/patient-faq\/\" class=\"elementor-item\" tabindex=\"-1\">Patient FAQ<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-849056c e-con-full e-flex e-con e-child\" data-id=\"849056c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48e7eb3 elementor-widget elementor-widget-heading\" data-id=\"48e7eb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Understanding the Risk of Breast Cancer<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9f2b61 elementor-widget elementor-widget-text-editor\" data-id=\"d9f2b61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>At our foundation, we believe that awareness is action. Understanding the factors that increase breast cancer risk helps individuals make informed choices\u2014and encourages life-saving early detection. While anyone can develop breast cancer, some people may face a greater likelihood due to genetics, personal history, or lifestyle factors.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-78016c8 e-con-full section-s e-flex e-con e-child\" data-id=\"78016c8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-7013b02 e-con-full e-flex e-con e-child\" data-id=\"7013b02\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8379ba1 elementor-widget elementor-widget-heading\" data-id=\"8379ba1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Most common Risk Factors<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-866e09f elementor-widget elementor-widget-text-editor\" data-id=\"866e09f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Breast cancer risk is influenced by a combination of <\/span><\/span><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">biological<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">, <\/span><\/span><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">lifestyle<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">, and <\/span><\/span><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">environmental<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> factors.<\/span><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-06f5cc0 e-con-full e-grid e-con e-child\" data-id=\"06f5cc0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-c26f618 e-con-full e-flex e-con e-child\" data-id=\"c26f618\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-49b84ee elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"49b84ee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"28\" height=\"63\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/age-icon.svg\" class=\"attachment-large size-large wp-image-6455\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0a0e06 elementor-widget elementor-widget-heading\" data-id=\"c0a0e06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Increasing age<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c658845 e-con-full e-flex e-con e-child\" data-id=\"c658845\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dc51a9b elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"dc51a9b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"45\" height=\"64\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/Family-history-icon.svg\" class=\"attachment-large size-large wp-image-6462\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c36fb3 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"7c36fb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Family<br>History\n<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ba7225b e-con-full e-flex e-con e-child\" data-id=\"ba7225b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cd6926d elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"cd6926d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"61\" height=\"63\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/genes-icon.svg\" class=\"attachment-large size-large wp-image-6471\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d66a0c2 elementor-widget elementor-widget-heading\" data-id=\"d66a0c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Genes<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-45a05d7 e-con-full e-flex e-con e-child\" data-id=\"45a05d7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-abd9d37 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"abd9d37\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"30\" height=\"63\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/Gender-icon.svg\" class=\"attachment-large size-large wp-image-6463\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a9f3f32 elementor-widget elementor-widget-heading\" data-id=\"a9f3f32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Gender<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9303ffc e-con-full e-flex e-con e-child\" data-id=\"9303ffc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1a1136a elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"1a1136a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"26\" height=\"64\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/Personal-history-icon.svg\" class=\"attachment-large size-large wp-image-6464\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f4fc631 elementor-widget elementor-widget-heading\" data-id=\"f4fc631\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Personal History<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cb27a45 e-con-full e-flex e-con e-child\" data-id=\"cb27a45\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c74be62 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"c74be62\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"29\" height=\"63\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/Menstruation-icon.svg\" class=\"attachment-large size-large wp-image-6465\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d38a0e elementor-widget elementor-widget-heading\" data-id=\"8d38a0e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Early \nmenstruation<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dff0261 e-con-full e-flex e-con e-child\" data-id=\"dff0261\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-19d80b7 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"19d80b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"40\" height=\"64\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/Menopause-icon.svg\" class=\"attachment-large size-large wp-image-6466\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8b2f6b elementor-widget elementor-widget-heading\" data-id=\"d8b2f6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Late<br>menopause\n<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9c9c9d4 e-con-full e-flex e-con e-child\" data-id=\"9c9c9d4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b2bf97a elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"b2bf97a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"64\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/First-child-icon.svg\" class=\"attachment-large size-large wp-image-6467\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32ab917 elementor-widget elementor-widget-heading\" data-id=\"32ab917\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Late first \nbirth<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0649718 e-con-full e-flex e-con e-child\" data-id=\"0649718\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-017f4f9 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"017f4f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"32\" height=\"64\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/Never-Pregnant-icon.svg\" class=\"attachment-large size-large wp-image-6469\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2525c3 elementor-widget elementor-widget-heading\" data-id=\"e2525c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Never being<br>pregnant\n<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-91589f2 e-con-full e-flex e-con e-child\" data-id=\"91589f2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cdbee3c elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"cdbee3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"63\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/Hormone-therapie-icon.svg\" class=\"attachment-large size-large wp-image-6470\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8985007 elementor-widget elementor-widget-heading\" data-id=\"8985007\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Hormone<br>Therapy\n<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b594cb1 e-con-full e-flex e-con e-child\" data-id=\"b594cb1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fa90115 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"fa90115\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"41\" height=\"64\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/Alcohol-icon.svg\" class=\"attachment-large size-large wp-image-6458\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2731243 elementor-widget elementor-widget-heading\" data-id=\"2731243\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Alcohol\nConsumption<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1900b85 e-con-full e-flex e-con e-child\" data-id=\"1900b85\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-456cda4 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"456cda4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"36\" height=\"64\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/Obesity-icon.svg\" class=\"attachment-large size-large wp-image-6457\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ed42e2 elementor-widget elementor-widget-heading\" data-id=\"7ed42e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Obesity<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a5254fb e-con-full e-flex e-con e-child\" data-id=\"a5254fb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8d1ba7d elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"8d1ba7d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"64\" height=\"64\" src=\"https:\/\/rftcjapan.org\/wpdata\/wp-content\/uploads\/2026\/02\/radiation-icon.svg\" class=\"attachment-large size-large wp-image-6456\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d71d7c5 elementor-widget elementor-widget-heading\" data-id=\"d71d7c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Radiation \nExposure<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b186c3a e-con-full e-flex e-con e-child\" data-id=\"b186c3a\" data-element_type=\"container\" data-e-type=\"container\" id=\"age-matters\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f0c910e elementor-widget elementor-widget-heading\" data-id=\"f0c910e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Age Matters<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-124edb9 color-bullet-list elementor-widget elementor-widget-text-editor\" data-id=\"124edb9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Breast cancer becomes more common with age. Most diagnoses occur after age 50, though younger women can still be affected. This makes regular screening especially important as we grow older.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-34f1841 e-con-full e-flex e-con e-child\" data-id=\"34f1841\" data-element_type=\"container\" data-e-type=\"container\" id=\"Family-History-Genetics\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3a66661 elementor-widget elementor-widget-heading\" data-id=\"3a66661\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Family History &amp; Genetics<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8fcef91 color-bullet-list elementor-widget elementor-widget-text-editor\" data-id=\"8fcef91\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>For some, risk is inherited. Factors may include:<\/p><ul><li>Mutations in the BRCA1 and BRCA2 genes can greatly increase the chance of developing breast cancer<\/li><li>Having a close relative (mother, sister, daughter) with breast or ovarian cancer raises risk<\/li><\/ul><p>Our foundation encourages individuals with a strong family history to seek genetic counseling to explore testing and personalized screening plans.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ea51a11 e-con-full e-flex e-con e-child\" data-id=\"ea51a11\" data-element_type=\"container\" data-e-type=\"container\" id=\"Personal-History\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e10ff10 elementor-widget elementor-widget-heading\" data-id=\"e10ff10\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Personal Medical History<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5ea636 color-bullet-list elementor-widget elementor-widget-text-editor\" data-id=\"c5ea636\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Your health history plays a role.<\/p><ul><li>A previous breast cancer diagnosis increases future risk<\/li><li>Certain biopsy findings (like atypical hyperplasia or LCIS) also elevate risk<\/li><li>Dense breast tissue, common in many women, can both raise risk and make screening more challenging\u2014another reason why consistent monitoring matters<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7fd822b e-con-full e-flex e-con e-child\" data-id=\"7fd822b\" data-element_type=\"container\" data-e-type=\"container\" id=\"Hormones-Reproductive\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4707f6d elementor-widget elementor-widget-heading\" data-id=\"4707f6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Hormones &amp; Reproductive Factors<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3349936 color-bullet-list elementor-widget elementor-widget-text-editor\" data-id=\"3349936\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Certain life events influence hormone levels and long-term risk:<\/p><ul><li>Early periods (before age 12) or late menopause (after 55)<\/li><li>Having no pregnancies, or first pregnancy after age 30<\/li><li>Long-term use of hormone replacement therapy (HRT)<\/li><\/ul><p>These are not \u201cgood\u201d or \u201cbad\u201d\u2014they are simply factors to be aware of so you can take proactive steps.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f9f757c e-con-full e-flex e-con e-child\" data-id=\"f9f757c\" data-element_type=\"container\" data-e-type=\"container\" id=\"Lifestyle-Factors\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dacc782 elementor-widget elementor-widget-heading\" data-id=\"dacc782\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Lifestyle Factors You Can Influence<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d340175 color-bullet-list elementor-widget elementor-widget-text-editor\" data-id=\"d340175\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Small daily choices matter.<\/p><ul><li>Physical activity lowers risk<\/li><li>Limiting alcohol, maintaining a healthy weight, and avoiding smoking all contribute to better breast health<\/li><\/ul><p>These changes are not about perfection; they are about progress.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e4c6aa2 e-con-full e-flex e-con e-child\" data-id=\"e4c6aa2\" data-element_type=\"container\" data-e-type=\"container\" id=\"Environmental-Exposure\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44c1aff elementor-widget elementor-widget-heading\" data-id=\"44c1aff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Environmental Exposure<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfe0a8f color-bullet-list elementor-widget elementor-widget-text-editor\" data-id=\"dfe0a8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Certain chemicals and radiation exposure have been linked to increased risk, though research is ongoing. When possible, minimize unnecessary radiation and reduce exposure to harmful substances.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1d74d35 e-con-full e-flex e-con e-child\" data-id=\"1d74d35\" data-element_type=\"container\" data-e-type=\"container\" id=\"Men-Risk\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a9e3ccf elementor-widget elementor-widget-heading\" data-id=\"a9e3ccf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Men Are at Risk Too<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-657fc6b color-bullet-list elementor-widget elementor-widget-text-editor\" data-id=\"657fc6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>While rare, men can develop breast cancer. Risk is higher in men with:<\/p><ul><li>BRCA mutations<\/li><li>Family history<\/li><li>Hormonal conditions<\/li><li>Liver disease<\/li><\/ul><p>Awareness helps everyone\u2014not just women\u2014recognize symptoms early.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b11b5f8 e-con-full e-flex e-con e-child\" data-id=\"b11b5f8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a024285 elementor-widget elementor-widget-heading\" data-id=\"a024285\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Reducing Risk: What You Can Control<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7aa5e4e color-bullet-list elementor-widget elementor-widget-text-editor\" data-id=\"7aa5e4e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Although many risk factors are beyond our control, others can be managed through healthy habits and screening. Aim to:<\/p><ul><li>Stay active<\/li><li>Maintain a balanced diet and healthy weight<\/li><li>Limit alcohol consumption<\/li><li>Avoid smoking<\/li><li>Follow your recommended screening schedule<\/li><li>Ask your doctor whether you could benefit from enhanced screening (e.g., MRI), medications, or genetic testing<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3ec6441 e-con-full e-flex e-con e-child\" data-id=\"3ec6441\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-54743d4 e-con-full section-s e-flex e-con e-child\" data-id=\"54743d4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-29f83c1 e-con-full e-flex e-con e-child\" data-id=\"29f83c1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7dbdd68 elementor-widget elementor-widget-heading\" data-id=\"7dbdd68\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">A Closing Message<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2fabcd elementor-widget elementor-widget-heading\" data-id=\"e2fabcd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Knowledge is the first step toward prevention and early detection.<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-992a0c3 elementor-widget elementor-widget-text-editor\" data-id=\"992a0c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>If you have multiple risk factors or a strong family history, speak with your healthcare provider about creating a personalized screening plan.<\/p><p>Together\u2014as a community\u2014we can ensure more people understand their risk, detect breast cancer earlier, and access the care they deserve.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5596527 elementor-absolute elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"5596527\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;}\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-bookmark\" viewBox=\"0 0 384 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M0 512V48C0 21.49 21.49 0 48 0h288c26.51 0 48 21.49 48 48v464L192 400 0 512z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Table of Contents About Breast Cancer At our foundation, we believe that awareness is action. Understanding the factors that increase breast cancer risk helps individuals make informed choices\u2014and encourages life-saving early detection. While anyone can develop breast cancer, some people may face a greater likelihood due to genetics, personal history, or lifestyle factors. Most common [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":27,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1854","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Understanding the Risk of Breast Cancer - RFTC Japan<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rftcjapan.org\/en\/about-breast-cancer\/understanding-the-risk-of-breast-cancer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding the Risk of Breast Cancer - RFTC Japan\" \/>\n<meta property=\"og:description\" content=\"Table of Contents About Breast Cancer At our foundation, we believe that awareness is action. 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