Breast Cancer

Breast cancer is cancer that starts in the tissues of the breast.

There are two main types of breast cancer:

• Ductal carcinoma starts in the tubes (ducts) that carry milk from the breast to the nipple. Most breast cancers are of this type.

• Lobular carcinoma starts in the parts of the breast, called lobules, which produce milk.

In rare cases, other kinds of breast cancer can start in other areas of the breast.