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': 'Which is false of Horse shoe Kidney -a) Spider like appearance in IVPb) Ureteral Obstruction is commonc) Lower calyx is reversedd) Heminephrectomy improves function \nSelect and explain. \nA. b, B. c, C. ac, D. ad', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]