tracheal disorder esophageal disorder isolated tracheo-esophageal fistula https://github.com/monarch-initiative/mondo/issues/5963 https://www.malacards.org/card/isolated_tracheo_esophageal_fistula A rare, congenital, esophageal disorder characterized by the presence of an abnormal connection between the esophagus and the trachea (typically occurring in the lower cervical or upper thoracic area and taking an oblique path upward to trachea), without concomitant esophageal atresia. Depending on the size of the lumen, presentation varies from neonatal episodes of choking and cyanosis on feeding to subtle symptoms of wheezing and recurrent respiratory infections in childhood or early adulthood. isolated tracheoesophageal fistula GARD:0021895 H-type tracheoesophageal fistula NCIT:C35080 Orphanet:454750 tracheoesophageal fistula MONDO:0018694 tracheo-esophageal fistula