Breast Cancer

 Breast cancer is cancer that develops in breast cells. Typically, the cancer forms in either the lobules or the ducts of the breast. Lobules are the glands that produce milk, and ducts are the pathways that bring the milk from the glands to the nipple. Cancer also can occur within the adipose tissue or the fibrous animal tissue within your breast. The uncontrolled cancer cells often invade other healthy breast tissue and may visit the lymph nodes under the arms. The lymph nodes are a primary pathway that help the cancer cells move to other parts of the body.