Fig. 1From: Gasless, endoscopic trans-axillary thyroid surgery: our series of the first 51 human casesMechanical retractors and incision selection. A The retractors were used to maintain the working space during the operation. B A 4-cm length incision was made in the natural wrinkle of axilla and an accessory 5-mm incision was made for another operative instrumentBack to article page