１９９７年１月—１２月，我们对３８例上消化道狭窄患者进行５５次扩张治疗，其中由食管贲门癌引起狭窄３３例，３３例中１１例采用镍钛记忆合金支架治疗，近期效果较为明显，现总结报告如下。１临床资料１．１一般资料３３例中，男２６例，女７例，平均年龄５８．２岁，... From January to December 1997, we performed a total of 55 dilatation treatments for 38 cases of upper gastrointestinal stenosis, of which 33 cases were caused by esophageal and cardiac cancer, and 33 cases were treated with nickel-titanium memory alloy stents. The recent results were obvious. The summary report is as follows. 1 clinical data 1.1 General Information 33 cases, 26 males and 7 females, the average age of 58.2 years old,...