Adenoma of the nipple in a male.
D000236:Adenoma / Q000473:pathology / Q000601:surgery; D000368:Aged; D001940:Breast / Q000473:pathology; D001943:Breast Neoplasms / Q000473:pathology / Q000601:surgery; D006801:Humans; D008297:Male; D008408:Mastectomy