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': 'Cushing syndrome is not a feature of : \nSelect and explain. \nA. Adrenal carcinoma, B. Oat cell carcinoma of lung, C. Medulloblastoma, D. Pituitary adenoma', 'role': 'user'}, {'content': "Answer: C \nExplanation: Answer is C (Medulloblastoma) : Medulohlastoma is not associated with Cushing's syndrome", 'role': 'assistant'}]