The breasts are made up of mostly fat tissue and glands. Breasts make milk to feed a baby. The milk is made inside glands called lobules. It is carried to the nipple by little tubes called ducts.
Breast cancer is the most common occurring cancer in women.
One of every nine women will develop breast cancer. Prior history of breast cancer. Women over 50 are at greater risk. Having a mother, sister or daughter with breast cancer. Having no children or having your first baby after age thirty.