This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'True about neoplastic colorectal polyps ? \nSelect and explain. \nA. Sessile polyps > 1 cm is malignant, B. MC site is colon and rectum, C. Adenomatous polyp is premalignant, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. 'a' i.e. Sessile Polyp> 1 cm is malignant; 'b' i.e. MC site is colon and rectum; 'c' i.e. Adenomatous polyp is premalignant Polyps are much more common in the large intestine than in the small intestine and more common in the rectosigmoid colon than the proximal colon.", 'role': 'assistant'}]