Paget's disease of the breast.
D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000532:radiotherapy; D002285:Carcinoma, Intraductal, Noninfiltrating / Q000532:radiotherapy / Q000628:therapy; D003937:Diagnosis, Differential; D004485:Eczema / Q000150:complications; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008207:Lymphatic Metastasis / Q000401:mortality; D008408:Mastectomy; D008875:Middle Aged; D010173:Palpation; D011379:Prognosis; D012883:Skin Ulcer / Q000150:complications