Is A

Esophageal fistula

May Be Caused by

 Common

Esophageal carcinoma

Lung carcinoma

Tracheal carcinoma

 Uncommon

Actinomycosis

Behçet disease

Caustic esophagitis

Congenital esophagobronchial fistula

Crohn disease

Esophageal lung

Esophageal rupture

Granulomatous lymphadenitis

Infected mediastinal cyst

Infected pulmonary cyst

Infected pulmonary sequestration

Lung abscess

Mediastinal abscess

Perforated diverticulum of esophagus

Radiation therapy