１病例报告患者，男性，４０岁。因胸骨后不适３周，曾在外院２次做食管镜检查。病理检查提示“食管上皮不典型增生，浅表性胃炎”，经对症治疗症状未能缓解。即来我院进一步做食管镜复查，发现距门齿３３ｃｍ处食管后壁有局部浅凹陷，粘膜色泽偏红，约１．２ｃｍ×０．８... 1 case report patient, male, 40 years old. After 3 weeks of discomfort with the sternum, she had undergone esophagoscopy twice in the hospital. Histopathological examination revealed “atypical dysplasia of the esophageal epithelium and superficial gastritis”. Symptomatic treatment failed to relieve symptoms. That is to our hospital for further esophageal re-examination, found that the distance from the incisor 33cm at the back wall of the esophagus has a partial shallow depression, mucosal color reddish, about 1.2cm × 0.8...