Small cell dysplasia and in-situ carcinoma of the mammary ducts and lobules.
D001943:Breast Neoplasms / Q000453:epidemiology / Q000473:pathology*; D002278:Carcinoma in Situ / Q000473:pathology*; D003593:Cytoplasm; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008408:Mastectomy; D008938:Mitosis; D011230:Precancerous Conditions / Q000473:pathology*; D011379:Prognosis