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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.
Sep 25, 2023 · What causes breast cancer? Experts know breast cancer happens when breast cells mutate and become cancerous cells that divide and multiply to create tumors. They aren’t sure what triggers that change. However, research shows there are several risk factors that may increase your chances of developing breast cancer. These include:
Nov 14, 2023 · Causes and Risk Factors. 15 min read. What Is Breast Cancer? Breast cancer is when the cells under one or both breasts grow out of control. Those cells may spread beyond...
Mar 13, 2024 · Overview. 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.
Feb 22, 2024 · Types. The most common kinds of breast cancer are: Invasive ductal carcinoma. The cancer cells begin in the ducts and then grow outside the ducts into other parts of the breast tissue. Invasive cancer cells can also spread, or metastasize, to other parts of the body. Invasive lobular carcinoma.
English. About Breast Cancer. Breast cancer occurs when a mutation allows breast cells to grow without order or control and form a tumor. Sections. What is breast cancer? Signs and symptoms of breast cancer. Breast cancer facts and statistics. Breast cancer risk. Screening and testing for breast cancer. Breast Cancer Awareness Month. Advertisement.
Overview. Breast cancer is the second most common cancer in women after skin cancer. Mammograms can detect breast cancer early, possibly before it has spread. Explore the links on this page to learn more about breast cancer prevention, screening, treatment, statistics, research, clinical trials, and more. Treatment.
