Invasive lobular carcinoma of the breast.
D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000473:pathology; D002277:Carcinoma / Q000473:pathology; D002285:Carcinoma, Intraductal, Noninfiltrating / Q000473:pathology; D005260:Female; D006801:Humans; D008875:Middle Aged