Critical Background You Need to Know About Breast Cancer

Breast cancer is a disease that affects both men and women. Most people don't know that men can get cancer of the breast, too. Breast cancer is not just one disease but a little group of diseases with cells growing out of control. Just about all tumors are really clumps of abnormal cells. Tumor cells often break off and go some other place to form; this is called metastasis (spreading). Even