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': 'Lalita, a female pt. presents with pigmentation of the lips and oral mucosa and intestinal polyps. Her sister also gives the same history. Most probable diagnosis \nSelect and explain. \nA. Carcinoid tumor, B. Melanoma, C. Villous adenoma, D. Peutz-Jegher syndrome', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]