Men can also get breast cancer Experts: Inherited genetic mutations are one of the most clear risk factors. After surgical treatment, the old man quickly recovered and was discharged from the hospital. Men's neglect of breast health makes breast cancer develop rapidly after the occurrence of breast cancer, and even invade the surrounding tissues such as the chest wall and pectoralis major muscle. If unilateral or bilateral breast enlargement is found; local dull or tender breast pain; abnormal fluid spillage from the nipple, etc., should go to the hospital for examination in time.