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Representative endoscopic imaging of a stricture after circumferential endoscopic submucosal dissection for a large-sized superficial esophageal squamous cell carcinoma. A: Lugor chromoendoscopy imaging; B: Circumferential post-ESD ulceration; C: ESD specimen; D: Endoscopic imaging of post-ESD stricture 3 mo after ESD. ESD: Endoscopic submucosal dissection.
