This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Pathology
[{'content': 'Lesions affecting the terminal duct lobular unit (TDLU) in breast are all except \nSelect and explain. \nA. Nipple adenoma, B. Blunt duct adenosis, C. Intraductal papilloma, D. Fiboadenoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: There are two types of noninvasive breast carcinoma: DCIS and LCIS. Morphologic studies have shown that both types usually arise from cells in the terminal duct lobular unit but the nipple adenoma doenot belongs to it. ref : Robbins Basic Pathology, 9E,page-710', 'role': 'assistant'}]