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': 'Most of the surgeons prefer incomplete fistulous tract excision (Latzko repair) in order to avoid all except \nSelect and explain. \nA. Enlarging of the defect., B. Weakening of surrounding tissue., C. Preserve scar tissue surrounding fistula., D. Compromising the repair.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Strong scar tissue is Latzko repair, permits secure reapproximation of surrounding tissue. This is potential benefit of Latzko technique.', 'role': 'assistant'}]