Fig. 1From: Successful treatment of esophageal perforation due to black esophagus (acute esophageal necrosis): a case reportPreoperative CT and intraoperative endoscopy. A–C CT shows free air in the broad area from the upper mediastinum to the upper abdomen, suggesting lower esophageal perforation. D Intraoperative endoscopy shows mucosal necrosis affecting the entire esophagus and perforation in the lower esophagus (white arrows)Back to article page