Duplication of the esophagus.
D000367:Age Factors; D000368:Aged; D003680:Deglutition Disorders / Q000000981:diagnostic imaging / Q000209:etiology; D004940:Esophageal Stenosis / Q000150:complications / Q000000981:diagnostic imaging; D004947:Esophagus / Q000002:abnormalities* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D011859:Radiography