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 of the following colonic polyps is not premalignant \nSelect and explain. \nA. Juvenile polyps, B. Hamaomatous polyps associated with peutz jegher's syndrome, C. Villous adenoma, D. Tubular adenomas", 'role': 'user'}, {'content': 'Answer: A \nExplanation: .Juvenile Polyps * Commonest polyp of colorectum in infants and children. * Can cause intussusception, prolapse through rectum, bleeding. * Colonoscopic polypectomy is done. * Not a pre-malignant condition. ref:SRB&;s manual of surgery ,ed 3,pg no 831', 'role': 'assistant'}]