This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Anatomy
[{'content': 'All are pas of MEN-1 except \nSelect and explain. \nA. Pituatory tumor, B. Parathyroid tumor, C. Pancreatic tumor, D. Medullary carcinoma of thyroid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Refer Robbins page no 1136', 'role': 'assistant'}]