Effect of polyglycolic acid sheet plus esophageal stent placement in preventing esophageal stricture after endoscopic submucosal dissection in patients with early-stage esophageal cancer: A randomized, controlled trial

Figure 5 The endoscopic submucosal dissection wound before and after the polyglycolic acid sheet plus stent placement. A: The esophageal lesion before endoscopic submucosal dissection (ESD); B: The mucosal defect after ESD; C: The ESD wound after the PGA sheet plus stent placement; D: The PGA sheet plus stent placement was inserted after 3 wk.