An Exploratory Endoscopic Achalasia Phenotype With Visible Squamocolumnar Junction and Distal Esophagogastric Junction Relaxation Failure: Association With Gastroesophageal Reflux Disease After Peroral Endoscopic Myotomy (With Video)
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Backgrounds and aims: Esophageal achalasia is typically defined by impaired lower esophageal sphincter (LES) relaxation. In rare cases, complete circumferential visibility of the squamocolumnar junction (SCJ) and upper gastric fo... ...
