Fig. 5From: Upper gastrointestinal series in children: what surgeons need to knowDifferent patterns of idiopathic gastroesophageal reflux. a Reflux exceeding the middle third of the esophagus with no luminal dilatation. b Reflux reaching up to the level of mid-esophagus with luminal dilatation. Larger amount of reflux reaching up to the level of upper esophagus without (c) and with luminal dilatation (d)Back to article page