Paget's disease of the male breast.
D000368:Aged; D001943:Breast Neoplasms / Q000473:pathology*; D002285:Carcinoma, Intraductal, Noninfiltrating / Q000473:pathology*; D006801:Humans; D008297:Male; D010144:Paget's Disease, Mammary / Q000473:pathology*