Gynecomastia is Associate in Nursing enlargement or swelling of breast tissue in males. It’s most typically caused by male estrogen levels that are too high or are out of balance with androgen levels. Abnormality throughout time of life. Breast cancer is one in all the foremost common malignancies in ladies however is comparatively rare in men with Associate in nursing incidence rate of zero.5% compared to feminine carcinoma. The danger of carcinoma in male will increase with age and men typically gift with later stage of malady that ends up in a worse outcome.