Teenager with vomiting and gagging with pills and food Pediatric Imaging Gastrointestinal August 5, 2026April 24, 2026 Lateral images from an upper GI exam show a persistent anterior indendation and narrowing of the esophagus at the level of the C4 vertebral body which mildly impedes the flow of contrast through it. The diagnosis was esophageal web. Related Published August 5, 2026April 24, 2026