This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatric Surgery, Subject name: Surgery
[{'content': 'Meconium ileus is firstly treated by ? \nSelect and explain. \nA. paul mikulicz ileostomy, B. bishop ileostomy, C. contrast enema, D. barium enema', 'role': 'user'}, {'content': 'Answer: C \nExplanation: water soluble contrast enema releives obstruction in 75% of cases OPERATIVE INTERVENTION -paul mikulicz double barrel ileostomy koops distal chimney ileostomy santullis proximal chimney ileostomy', 'role': 'assistant'}]