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': 'Removal of LI Ganglion in sympathetomy results in? \nSelect and explain. \nA. Impotence, B. Retention of urine, C. Sterility, D. Causalgia', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Sterility", 'role': 'assistant'}]