Infant who is choking with feedings Pediatric Imaging Cardiovascular October 20, 2023September 21, 2023 Lateral (right) image from an UGI exam shows a persistent posterior indentation on the mid-esophagus. There is associated narrowing of the trachea at the same level. The diagnosis was double aortic arch causing a complete vascular ring. Related Published October 20, 2023September 21, 2023