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contentuptodate· Content· item f9_6_9312

©2013 UpToDate ® Print Email Achalasia Gross specimen of the esophagus from a patient with achalasia shows marked luminal dilatation of the proximal esophagus due to functional distal obstruction at the distal esophagus at the gastroesophageal junction (left). Courtesy of Robert Odze, MD.