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: Pediatrics
[{'content': "Which of the following does not belong to Wermer's syndrome? \nSelect and explain. \nA. Pheochromocytoma, B. Parathyroid hyperplasia, C. Prolactinoma, D. Pancreatic hyperplasia", 'role': 'user'}, {'content': "Answer: A \nExplanation: MEN 1 / Wermer's syndrome :\n\nParathyroid hyperplasia / adenoma.\nPitutary hyperplasia - Prolactinoma.\nPancreatic hyperplasia - Gastrinoma > Insulinoma > Glucagonoma.", 'role': 'assistant'}]