Fig. 2From: Evaluation of the clinical value of carbon nanoparticles in endoscopic thyroidectomy and prophylactic central neck dissection through total mammary areolas approach for thyroid cancerIncisions and working space. (a) One 10-mm incision for endoscopy. (b) Two 5-mm incisions for operating instruments. (c) Working space, freed flap area in the chest wall. (d) Anterior edge of sternocleidomastoid muscle. (e) Body symbol of annular cartilageBack to article page