Fig. 1. (A) Extreme dilatation of the esophagus in a 38-year-old female patient with long-standing achalasia. (B) Acute sigmoid angulation (arrow) is observed where the redundant esophagus lies on the diaphragm.

Korean J Gastroenterol 2023;82:190~193 https://doi.org/10.4166/kjg.2023.078

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