Gastroesophageal reflux disease after peroral endoscopic myotomy: Short-term, medium-term, and long-term results
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Introduction and aims: Achalasia is characterized by incomplete relaxation of the lower esophageal sphincter and esophageal aperistalsis. The efficacy of peroral endoscopic myotomy (POEM) is similar to that of the Heller myotomy,... ...