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: Radiology
[{'content': "Spoked wheel appearance is seen in \nSelect and explain. \nA. Oncocytoma, B. Wilm's tumor, C. Hydronephrosis, D. PCKD", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Spoked wheel appearance\xa0- Oncocytoma.\nB/L spider leg deformity\xa0- PCKD.', 'role': 'assistant'}]