Breast cancer in men is a malignant neoplasm that develops from breast tissue. It often occurs against the background of hyperestrogenemia. In the initial stages, it is manifested by breast enlargement. There may be discharge from the nipple. With the progression of the disease, regional lymph nodes increase, pains appear due to the germination of the tumor into the surrounding tissues. Weight loss and signs of general intoxication are noted. Pay attention to this and contact specialists in a timely manner. I managed to defeat the disease with the help of el4 cell line.