患者，女，48岁。无明显诱因左上腹不适，隐痛卫周。钡透以“食管下段管腔狭窄”收治入院，查体一般情况好，胃病史5年，余无明显阳性体征、各种化验均在正常范围，EKG：正常范围。入院后纤维胃镜见：食管下端、贲门上方呈憩室样改变，前后壁向腔内形成半球状隆起，使食管腔变 Patient, female, 48 years old. No obvious cause of discomfort in the left upper abdomen, hidden pain week. After taking the “narrow esophageal lumen stenosis” admitted to the hospital, the general condition of the examination was good. The history of gastric disease was 5 years. There were no significant positive signs and various tests were within the normal range. EKG: normal range. Fiberoptic gastroscopy after admission: Diverticulum-like changes at the lower part of the esophagus and at the top of the cardia. The anterior and posterior walls form a hemispherical bulge in the lumen, causing the esophageal cavity to change.