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': 'Treatment of congenital hydrocele is \nSelect and explain. \nA. Herniotomy, B. Excision of sac, C. Eversion of sac, D. Jaboilays procedure', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Congenital hydrocele is due to patent processus vaginalis.\xa0\nHerniotomy is the option. Infantile hydrocele is treated by excision of sac followed by eversion.', 'role': 'assistant'}]