This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Surgery
[{'content': 'The Most common complication in varicose vein surgery is \nSelect and explain. \nA. Ecchymosis, B. Deep vein thrombosis, C. Recurrence of varicosity, D. Venous ulcer', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Ecchymosis # Complications of varicose vein surgery: Bruising and discomfort are common following removal of varices, especially where the veins were of very large diameter. However, the pain usually requires only mild analgesics.', 'role': 'assistant'}]