Lobular carcinoma arising in a fibroadenoma.
D000232:Adenofibroma / Q000473:pathology*; D000328:Adult; D001943:Breast Neoplasms / Q000473:pathology* / Q000601:surgery; D002277:Carcinoma / Q000473:pathology*; D005260:Female; D006801:Humans; D009378:Neoplasms, Multiple Primary / Q000473:pathology*