Men have mammary glands, but male mammary glands are not developed, the volume is smaller, the surface nipples are also smaller, mammary glands with age, there may be symptoms of breast development, especially the body estrogen levels rise, as follows: 1, breast development: there are some patients with cirrhosis of the liver after oral medication, resulting in estrogen inactivation, decline, can lead to breast development symptoms, manifested as the volume of the breast has 2. Breast lumps: Some men may have cirrhosis of the liver and have lumps underneath the areola, and some may even have nipple overflow and nipple blood spill. If it is judged as male breast cancer, it is necessary to do surgery in time to cure it.