Esophageal diverticulum.
D004240:Diverticulum; D004936:Diverticulum, Esophageal / Q000601:surgery*; D004937:Esophageal Fistula / Q000150:complications; D005764:Gastroesophageal Reflux / Q000150:complications; D006801:Humans; D010608:Pharyngeal Diseases