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: Pathology
[{'content': 'MEN type I includes tumors of all except \nSelect and explain. \nA. Parathyroid, B. Pituitary, C. Pancreas, D. Medullary carcinoma of thyroid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: MEN 1 is characterised by abnormalities involving parathyroid,pancreas and pituitary. It is due to mutation in MEN1 tumour suppressor gene. Medullary carcinoma thyroid is a feature of MEN2 ,which is due to germline mutations in RET proto oncogene on chromosome 10q11.2. (Ref :ROBBINS Text book of pathology endocrinology)', 'role': 'assistant'}]