The morbid nature of the migrating foreign body in the esophagus.
D001999:Bronchoscopy; D002675:Child, Preschool; D004935:Esophageal Diseases / Q000209:etiology; D004945:Esophagoscopy; D004947:Esophagus / Q000000981:diagnostic imaging; D005260:Female; D005547:Foreign Bodies / Q000150:complications* / Q000000981:diagnostic imaging; D006801:Humans; D007223:Infant; D008297:Male; D011859:Radiography; D012131:Respiratory Insufficiency / Q000209:etiology; D014132:Trachea; D014138:Tracheoesophageal Fistula / Q000209:etiology; D014140:Tracheotomy