<prompt> The Most common complication in varicose vein surgery isEcchymosisDeep vein thrombosisRecurrence of varicosityVenous ulcer  <response>: 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. 