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Fig. 1. Peroral endoscopic myotomy for treatment of achalasia. (A) Mucosal incision in anterior approach using Triangle Tip knife. (B) Development of submucosal tunnel from esophagus to gastric cardia. (C) Selective inner circular myotomy starting from esophageal side. (D) Selective inner circular myotoy extending to the tigh gastroesophageal junction. (E) Closure of mucosal incision using endoclips. (F) Complete closure of the mucosal incision using endoclips.
Int J Gastrointest Interv 2020;9:42~52 https://doi.org/10.18528/ijgii200007
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