This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genito Urinary System, Subject name: Radiology
[{'content': 'Which is not a renal pseudotumor? \nSelect and explain. \nA. Fetal lobulations, B. Hypertrophied column of Bertin, C. Dromedary hump, D. Persistent calyceal impression', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans DA renal pseudotumour is a mass that will simulate a tumor on imaging but is composed of non-neoplastic tissue. Common such lesions are:# Prominent columns (septa) of Bertin# Persistent fetal lobulations# Dromedary hump# Splenorenal fusion# Cross-fused renal ectopia', 'role': 'assistant'}]