School ager who had a Nissen fundoplication 5 years ago and is now retching

Upper GI of para Nissen herniation after Nissen fundoplication
AP (left) and lateral (right) images from an UpperGI exam show the impression of the Nissen fundoplication wrap on the superior border of the stomach beneath the diaphragm. However, part of the stomach has herniated through the Nissen fundoplication to a position above the diaphragm.

The diagnosis was Nissen fundoplication malfunction in the form of a para Nissen herniation.