Traction-assisted circumferential endoscopic submucosal dissection of early esophageal squamous cell carcinoma, followed by metal stent insertion and fixation with a dedicated clip - Aslam, Shahila Perveen; Abdelrahim, Mohamed; Htet, Hein; Siggens, Katie; Goggin, Patrick; Bhandari, Pradeep (Endoscopy, 2022)