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. 2020 Aug 5;53(4):172–177. doi: 10.5090/kjtcs.2020.53.4.172

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Copyright © The Korean Society for Thoracic and Cardiovascular Surgery. 2020. All right reserved.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3 — Superficial esophageal cancer treated via circumferential ESD. (A) A 5-cm flat Lugol voided lesion on the mid thoracic esophagus. (B) An artificial ulcer appeared immediately after ESD and resulted in a mucosal defect affecting >75% of the circumference (C) Local injection of steroids. (D) The tumor was removed en bloc with tumor-free lateral and basal margins. (E) Follow-up endoscopy 7 months after ESD revealed no postprocedural stricture. (F) Follow-up endoscopy 15 months after ESD revealed no postprocedural stricture. ESD, endoscopic submucosal dissection.