Carcinoma of esophagus complicated by TE fistula on barium swallow and CT

Image A of a barium swallow in a patient with esophageal carcinoma and an esophageal stent (dashed arrow) shows a fistulous tract (arrow head) from the esophagus (e) to the trachea (t) and spillage of the contrast into the left mainstem bronchus (arrow). Image B is a sagittal reconstruction of a chest CT and shows an air-filled fistulous tract (arrow) between the esophagus (e) and trachea (t).