Gynecomastia is the enlargement of the breast structure that occurs in men and can be seen at any age. Along with the decrease in testosterone level in gynecomastia, breast enlargement, female type lubrication in the body, growth and development of the tissue in the mammary glands, excess breast skin, lubrication and excess that can be seen in one breast or both breasts can occur. It is possible to get rid of the breast size permanently after the operation to be performed under general anesthesia.