Breast cancer is a malignant tumor that starts in the cells of the breast. A malignant tumor is a group of cancer cells that can grow into (invade) surrounding tissues or spread (metastasize) to distant areas of the body. The disease occurs almost entirely in women, but men can get it, too.
October is National Breast Cancer Awareness Month. Visit the cancer.org website to learn more about Breast Cancer and other types of Cancer, Risk Factors, Support and Treatment, and ways to give back.