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': "A 30 real old patient comes with scrotal swelling. Transillumination is positive. A large hydrocoele is suspected. What’s the preferred treatment \nSelect and explain. \nA. Lord’s plication, B. Jaboulay's procedure, C. Excision of sac, D. Incision and drainage", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Large hydroceles treated by jaboulay’s procedure', 'role': 'assistant'}]