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: Surgery
[{'content': 'All are features of Hypernephroma except? \nSelect and explain. \nA. Persistent pyrexia, B. Hematuria, C. Polycythemia, D. Lower pole involvement', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Lower pole involvement", 'role': 'assistant'}]