Jun-Chao Wu, MD, from the Department of Gastroenterology and Hepatology, West China Hospital, Sichuan University, in Sichuan, China discusses this New Methods article, "Endoscopic submucosal multi-tunnel dissection for circumferential superficial esophageal neoplastic lesions (with videos)." There are some technical challenges endoscopic submucosal tunnel dissection (ESTD) in treating circumferential esophageal neoplastic lesions. Based on the development …