Fig. 2From: Ultrasound-guided stellate ganglion block benefits the postoperative recovery of patients undergoing laparoscopic colorectal surgery: a single-center, double-blinded, randomized controlled clinical trialSchematic diagram of the SGB procedure. PTTP, posterior tubercle of transverse process. ATTP, anterior tubercle transverse process. N, nerve. LCM, longus colli musculus. IJV, internal jugular vein. CCA, common carotid artery. SCM, sternocleidomastoid muscle. ☆, target siteBack to article page