This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'Which one of the following is not a premalignant condition for colon cancer? \nSelect and explain. \nA. Familial adenomatous polyposis coli, B. Villous adenoma, C. Ulcerative colitis, D. Hamaomatous polyps', 'role': 'user'}, {'content': "Answer: D \nExplanation: .Hamaomatous polyps are seen in * Peutz-Jegher's syndrome. * Juvenile polyp. * Cronkhite - Canada syndrome. Juvenile Polyps * Commonest polyp of colorectum in infants and children. * Can cause intussusception, prolapse through rectum, bleeding. Cronkite - Canada Syndrome * Polyps in stomach, duodenum and colorectum. No polyps in oesophagus * Intractable diarrhoea, pigmentation, cachexia, alopecia, onychodystrophy * In females * 15% will have malignancy * Colonoscopic polypectomy is done. * Not a pre-malignant condition. ref:SRB&;s manual of surgery,ed 3,pg no 834", 'role': 'assistant'}]