Fig. 1From: Laparoscopic transhiatal surgery for an epiphrenic esophageal diverticulum derived from a jackhammer esophagus: a case reporta Upper gastrointestinal endoscopy showed a 31-mm diverticulum on the left wall of the lower esophagus (arrow). b A barium esophagogram showed a diverticulum in the lower esophagus 50 mm above the EGJ (arrow). c Chest CT revealed a diverticulum on the left wall in the lower esophagus with no esophageal masses (arrow)Back to article page