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': 'Patient presents with varicose vein with sapheno-femoral incompetence and normal perforator. Management options include all of the following except \nSelect and explain. \nA. Endovascular stripping, B. Sclerotherapy, C. Sapheno-femoral flush ligation, D. Saphenofemoral flush ligation with striping', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. b. Sclerotherapy', 'role': 'assistant'}]