This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peritoneum, Subject name: Surgery
[{'content': 'Laproscopic procedure patient develops shoulder pain due to \nSelect and explain. \nA. Sub phrenic abscess, B. positional pain during surgery, C. Sub diaphragmatic migration of gas, D. Injury to liver', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Sub diaphragmatic migration of gas(Ref: Bailey 26th 100-101)* Shoulder pain after laparoscopy is due to pain referred from diaphragm and due to subdiaphragmatic migration of gas', 'role': 'assistant'}]