患者,女,64岁。因进行性吞咽困难1年于1997年3月19日入院。入院时尚能进食稀饭。体格检查无异常发现.食管钡检示：食管中段T_6~T_7间见2.5cm环形狭窄区,钡剂通过缓慢,上段食管轻度扩张。胃镜检查示：距门齿25~30cm处粘膜糜烂、质脆、易出血。胃镜病理活检示鳞状细胞癌。入院诊 Patient, female, 64 years old. One year of admission due to progressive dysphagia was admitted on March 19, 1997. Hospital admission can eat porridge. There was no abnormality in physical examination. Esophageal fistula examination showed that 2.5 cm annular stenosis was seen between T_6~T_7 in the middle esophagus. The tincture passed slowly, and the esophagus was slightly dilated. Gastroscopy showed that the mucous membranes were eroded from the incisors 25 to 30cm and were brittle and easily bleed. Gastroscopic biopsy showed squamous cell carcinoma. Admission