1.0RFTC Japanhttps://rftcjapan.org/en/About Breast Cancer - RFTC Japanrich600338<blockquote class="wp-embedded-content" data-secret="SL1hFqNGeE"><a href="https://rftcjapan.org/en/breast-cancer/about-breast-cancer/">About Breast Cancer</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://rftcjapan.org/en/breast-cancer/about-breast-cancer/embed/#?secret=SL1hFqNGeE" width="600" height="338" title="“About Breast Cancer” — RFTC Japan" data-secret="SL1hFqNGeE" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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Breast cancer occurs when malignant tumours develop in the breast. Most breast cancer occurs in the ducts or lobules. To better understand breast cancer, it helps to understand how cancer develop.