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Breast cancer is a type of cancer that starts in the breast. It can start in one or both breasts. Cancer starts when cells begin to grow out of control. (To learn more about how cancers start and spread, see What Is Cancer?) Breast cancer occurs almost entirely in women, but men can get breast cancer, too.
Breast cancer is a disease in which cells in the breast grow out of control. There are different kinds of breast cancer. The kind of breast cancer depends on which cells in the breast turn into cancer. Most breast cancers begin in the ducts or lobules. Breast cancer can spread outside the breast through blood vessels and lymph vessels.
Feb 10, 2024 · Breast cancer is a kind of cancer that begins as a growth of cells in the breast tissue. After skin cancer, breast cancer is the most common cancer diagnosed in women in the United States. But breast cancer doesn't just happen in women.
Sep 25, 2023 · Breast cancer is when breast cells mutate and become cancerous cells that multiply and form tumors. Breast cancer typically affects women and people assigned female at birth (AFAB) age 50 and older, but it can also affect men and people assigned male at birth (AMAB), as well as younger women.
Mar 13, 2024 · Breast cancer is a disease in which abnormal breast cells grow out of control and form tumours. If left unchecked, the tumours can spread throughout the body and become fatal. Breast cancer cells begin inside the milk ducts and/or the milk-producing lobules of the breast.
Get detailed information about breast cancer risks, causes, symptoms, treatments, research, and more.
Breast cancer is a disease in which malignant (cancer) cells form in the tissues of the breast. Learn about the causes, facts, risk factors, and more.
