Incidence and Mortality
Estimated new cases and deaths from breast cancer (men only) in the United States in 2013:
New cases: 2,240.
Male breast cancer is rare. Less than 1% of all breast carcinomas occur in men.[3,4] The mean age at diagnosis is between 60 and 70 years, though men of all ages can be affected with the disease.
Predisposing risk factors  appear to include radiation exposure, estrogen administration, and diseases associated with hyperestrogenism,...
Besides removing the breast, radical mastectomy is a rarely performed surgery that also takes out lymph nodes in the arm pit and part of the chest wall. See a drawing of the area covered and read a short description.
During a modified radical mastectomy, the surgeon removes the breast (including the skin, breast tissue, areola, and nipple) and most of the lymph nodes under the arm. This surgery is now more commonly performed than the radical mastectomy as it has proven to be more effective and less disfiguring. Learn more about how this surgery is performed.