Acquired non-malignant communications between the upper intestinal tract and the air passages.
D001980:Bronchi; D004947:Esophagus; D005402:Fistula; D005747:Gastric Fistula; D013270:Stomach; D014132:Trachea
BRONCHI/fistula; ESOPHAGUS/fistula; FISTULA; STOMACH/fistula; TRACHEA/fistula