Chronic mastitis and carcinoma of the breast.
D001943:Breast Neoplasms / Q000473:pathology*; D002278:Carcinoma in Situ / Q000473:pathology*; D002908:Chronic Disease; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008413:Mastitis / Q000473:pathology*; D011247:Pregnancy