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: Gynaecology & Obstetrics
[{'content': 'Which of the following is preferred treatment for urethral diverticulum \nSelect and explain. \nA. Diverticulum marsupialization, B. Partial diverticular sac ablation, C. Diverticulectomy, D. Transurethral electrosurgical fulguration.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Diverticulectomy is the most frequently chosen to treat urethral diverticulum\xa0at any site along the urethra.', 'role': 'assistant'}]