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': "Which of the following carries the least risk of Colonic malignancy \nSelect and explain. \nA. Familial adenomatous polyposis, B. Gardner's syndrome, C. Villous adenoma, D. Peutz-Jeghers syndrome", 'role': 'user'}, {'content': 'Answer: D \nExplanation: PEUTZ-JEGHER’S POLYP\n\nIt is common in the small intestine (jejunum) but can also occur in the large intestine.\nFeatures are multiple, familial, hamartomatous\xa0intestinal polyps.\nAssociated with melanosis of the oral mucosa, lips\xa0 (lower lip) and occasionally digits (not in tongue).\nMicroscopically it contains tree-like branching filaments of mucosa with smooth muscle wall.\nIt can occasionally turn into malignancy.', 'role': 'assistant'}]