患者男性，56岁,因“进行性吞咽梗阻4个月”于1995年12月7日入院。入院时查体：一般情况可，全身浅表淋巴结未们及肿大，气管居中，心肺正常。食管镜检查：距门齿26cm以下食管后壁呈半环形菜花状隆起，糜烂，质脆，易出血，管腔狭窄，纤维镜不能通过。上消化道钡餐：食管中段管 The patient, male, 56 years old, was admitted to hospital on December 7, 1995 for “progressive swallowing obstruction for 4 months.” Physical examination on admission: In general, the superficial lymph nodes are not swollen, the trachea is centered, and the heart and lungs are normal. Esophagoscopy: The posterior wall of the esophagus was less than 26cm in diameter from the incisor to a cauliflower-like uplift. It was erosive, brittle, easily bleeding, and the lumen was narrow. The fiberscope could not pass. Upper Gastrointestinal Barium: Esophageal midline tube