This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Surgery, Subject name: Surgery
[{'content': 'All are true about Histological variety of breast carcinoma EXCEPT: \nSelect and explain. \nA. Most common histological type is adenocarcinoma, B. Most common histological subtype is Invasive ductal Ca, C. Least common subtype is Papillary, D. Worst prognosis is seen in Tubular', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Breast Cancer MC type is adenocarcinoma and most carcinoma arises from terminal duct lobular unit MC type of Ca breast: Invasive ductal (schirrous) carcinoma Least common type of Ca breast: Papillary Most malignant type of Ca breast: Inflammatory breast cancer Best prognosis is seen in: Tubular Worst prognosis is seen in:Inflammatory breast cancer', 'role': 'assistant'}]