Fig. 7
From: Upper gastrointestinal series in children: what surgeons need to know
UGI series of two patients with findings related to the esophagus. a A 15-year-old boy with lymphoma, presented with dysphagia, and significant weight loss, showing esophageal compression by large homogenous opacity and parrot peak appearance of the lower esophagus consistent with achalasia (arrow). b Axial chest CT showing enlarged mediastinal lymph nodes encasing mediastinal structures (asterisk). c A 14-year-old male patient with Alport syndrome presented with vomiting, epigastric pain, and dysphagia; UGI series shows markedly dilated esophagus (arrows) and hiatus hernia (asterisk). d AP shows dilated esophagus with esophageal wall thickening representing leiomyomatosis (asterisk)