title: Functional disease of the esophagus.
mesh_terms: D002299:Cardia / Q000503:physiopathology; D003680:Deglutition Disorders; D004936:Diverticulum, Esophageal / Q000000981:diagnostic imaging; D004931:Esophageal Achalasia / Q000000981:diagnostic imaging*; D004935:Esophageal Diseases / Q000000981:diagnostic imaging*; D004940:Esophageal Stenosis / Q000150:complications; D005764:Gastroesophageal Reflux; D006548:Hernia, Diaphragmatic; D006801:Humans; D009157:Myasthenia Gravis / Q000150:complications; D010608:Pharyngeal Diseases / Q000000981:diagnostic imaging; D011859:Radiography