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: Medicine
[{'content': 'All are associated with MEN-2, Except: \nSelect and explain. \nA. Pheochromocytoma, B. Islet cell hype, C. Parathyroid adenoma, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer is B (Islet Cell Hyperplasia): Islet cell Hyperplasia is a feature of Multiple Endocrine Neoplasia Type-1 (MEN -1) Pancreatic Tumors (Islet cell Hyperplasia, adenoma, or carcinoma) are features of MEN-1 and not MEN-2', 'role': 'assistant'}]