Breast cancer is a disease in which cells in the breast grow out of control. There are different kinds of breast cancer. The Kind of breast cancer depends on which cells in the breast turn into cancer.
Breast cancer can begin in different parts of the breast. A breast is made up of three main parts:
Lobules â€“The lobules are the glands that produce milk.
Ducts â€“The ducts are tubes that carry milk to the nipple.