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 about horse-shoe kidney: March 2004 \nSelect and explain. \nA. Spider like appearance in NP, B. Ureteral obstruction is common, C. Lower calyx reversed, D. Not a contraindication to pregnancy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A i.e. Spider like appearance in IVP', 'role': 'assistant'}]