Fig. 1From: The usefulness of intraoperative neurological monitoring for esophageal cancer with double aortic arch; a case reportPreoperative imaging findings. a Esophagoscopy reveals a 0-IIc type tumor with unstained iodine occupying half the circumference of the esophageal wall. b Esophagogram shows irregular mucosa on the right side of the esophageal wall at the level of tracheal bifurcation (white arrow)Back to article page