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: Medicine
[{'content': "Wermer's syndrome (multiple endocrine neoplasia type I) is characterised by all of the following except- \nSelect and explain. \nA. Tumours of anterior pituitary, B. Tumours of parathyroids, C. Pancreatic adenomas, D. Phaeochromocytoma", 'role': 'user'}, {'content': "Answer: D \nExplanation: MEN type 1 (MEN 1), which is also referred to as Wermer's syndrome, is characterized by the triad of tumors involving the parathyroids, pancreatic islets (gastrinomas, insulinomas, nonfunctioning and PPoma, glucagonoma, VIPoma) and anterior pituitary (prolactinoma, somatotrophinoma, coicotropinoma, nonfunctioning). Reference : page 2335-36 Harrison's Principles of Internal Medicine 19th edition", 'role': 'assistant'}]