Fig. 1From: Esophageal submucosal hematoma developed after endovascular surgery for unruptured cerebral aneurysm under general anesthesia: a case reportUpper gastrointestinal endoscopy images immediately after hematemesis. a A longitudinal extension of reddish or wine-colored mucosal thickening (asterisk), obstructing the esophagus, is seen from the midesophagus to the esophagogastric junction. b The submucosal hematoma (two asterisks) is displacing the esophageal mucosa (asterisk) toward the gastric cavity at the esophagogastric junction. A part of the displaced mucosa has a laceration with bleedingBack to article page