Single contrast barium upper GI series
The scout radiographs show apparently normal band position with phi (φ) angle of 47 degrees (within normal limits).
The esophagus is dilated and tortuous and shows prominent tertiary contractions. There is pooling of the contrast in the esophagus with dilatation of the gastric pouch. There is delayed, very slow and limited passage of contrast through the stoma into the distal stomach. Tertiary contractions are noted in the esophagus. Reflux of contrast is noted from the gastric pouch to the esophagus.