A<unk>  <unk>  is an abnormal connection<unk>  between the esophagus and the trachea. <unk>  is a common congenital abnormality, but when occurring late in life is usually the sequela of surgical procedures such as a laryngectomy.
Tracheoesophageal fistula
Tracheal diverticulum
Tracheal deviation
Tracheomalacia
Laryngomalacia
Tracheal fracture
Mediastinal hematoma
Esophageal atresia