患者男,62岁,吞咽困难1个月。上消化道钡剂造影:食管下段可见充盈缺损,黏膜破坏,食管壁僵硬,钡剂尚可通过,食管轻度扩张。胃镜示:距门齿35cm处食管前壁可见一息肉状隆起物凸出管腔,大小约0.6×0.6×0.4cm,表面溃烂,覆盖白苔、血痂,管壁僵硬,扩张度差。距门齿40cm处贲门口后壁可 Male patient, 62 years old, swallowing for 1 month. Upper gastrointestinal barium contrast: visible filling the lower esophagus defect, mucosal damage, esophageal wall stiffness, barium can still pass, mild esophageal expansion. Gastroscope showed: 35cm away from the incisors of the anterior esophagus can be seen in the anterior lump of meatus protruding bulge lumen, the size of about 0.6 × 0.6 × 0.4cm, surface ulceration, covering the white moss, blood scab, wall stiffness, poor expansion. 40cm away from the incisors behind the door can be