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 has no risk far malignancy \nSelect and explain. \nA. Juvenile polyps, B. Hamaomatous polyps associated with Peutzjegher's syndrome, C. Juvenile polyposis syndrome, D. Familial adenomatous polyposis syndrome", '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. PEUTZ-JEGHER'S POLYP is common in small intestine (jejunum) * Features are multiple, familial, hamaomatous intestinal polyps. * Asssociated with melaenosis of the oral mucosa, lips (lower lip) and occasionally digits (not in tongue). * Microscopically it contains tree like branching filaments of mucosa with smooth muscle wall. * It can occasionally turn into malignancy FAMILIAL ADENOMATOUS POLYP (FAP) * It is inherited as an autosomal dominant neoplastic condition (chromosome no. 5 * It is familial with a high potential for malignant transformation. ref:SRB&;s manual of surgery,ed 3,pg no 834", 'role': 'assistant'}]