http://youtu.be/urzrvc5mOew https://www.youtube.com/channel/UCxd1u36OL2HcP4InCD9heJQ Male breast cancer pictures - Symptoms,Images and Pictures of Male Breast Cancer What is breast cancer in men? A breast cancer is a malignant tumor that starts from cells of the breast. A malignant tumor is a group of cancer cells that may grow into (invade) surrounding tissues or spread (metastasize) to distant areas of the body. Breast cancer occurs mainly in women, but men can get it, too. Many people do not realize that men have breast tissue and that they can develop breast cancer. Normal breast structure To understand breast cancer, it helps to have some basic knowledge about the normal structure of the breasts. The breast is made up mainly of lobules (glands that can produce milk if the right hormones are present), ducts (tiny tubes that carry the milk from the lobules to the nipple), and stroma (fatty tissue and connective tissue surrounding the ducts and lobules, blood vessels, and lymphatic vessels).