School ager with retching Pediatric Imaging Gastrointestinal July 23, 2021May 21, 2021 CXR AP shows an air fluid level at the level of the diaphragm. Lateral spot image from an upper GI shows the fundus of the stomach sliding through the esophageal hiatus into the chest. The diagnosis was hiatal hernia. Related Published July 23, 2021May 21, 2021