Fig. 4From: Evaluation of the clinical value of carbon nanoparticles in endoscopic thyroidectomy and prophylactic central neck dissection through total mammary areolas approach for thyroid cancerCentral lymph nodes dissection. A CND without CN. B CND with CN. Locoregional lymph nodes were stained black. (a) Suprasternal fossae. (b) Trachea. (c) Common carotid arteryBack to article page