prevention

Key facts A mastectomy is surgery to remove your breast. A bilateral (double) mastectomy is removal of both breasts. A mastectomy is one of the treatments for breast cancer. What is a mastectomy? A mastectomy is an operation to remove your breast. A bilateral (double) mastectomy involves the removal of both breasts. When is a mastectomy needed? A mastectomy is usually done to treat breast cancer. Breast cancer is when cells start to grow abnormally in your breast. It can spread to other parts of the body. Surgery is just one of the treatments for breast cancer. Some people with a high