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Endoscopic pictures of the esophagus on the 28th day. (a) In the upper esophagus, the esophageal submucosal hematoma was healed. (b) In the middle esophagus, the esophageal submucosal hematoma was healed. (c) In the lower esophagus, there was mucosal scarring and no esophageal stenosis.
