This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney and ureter, Subject name: Surgery
[{'content': 'Central stellate scar on CT scans are seen in: \nSelect and explain. \nA. Renal oncocytoma, B. FNH, C. Serous cystadenoma pancreas, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Central stellate Scar is seen in 1. FNH 2. Fibrolamellar HCC 3.Serous cystadenoma (Pancreas) 4.Renal Oncocytoma', 'role': 'assistant'}]