Fig. 1

Three-dimensional computed tomography. The trachea (light blue), esophagus (yellow), and blood vessels (pink) are shown. a Image from the front right. The upper pouch of the esophagus (black arrow) was located at the thoracic inlet and completely to the left of the trachea. The brachiocephalic artery is indicated by the black arrowhead and the manubrium of the sternum is indicated by the white arrowhead. b Image from the back. The TEF indicated by a white arrow, was connected to the trachea at the level of the lower end of the upper pouch of the esophagus. The aberrant right subclavian artery is indicated by a white arrowhead