食管贲门癌术后吻合口狭窄８２例，采用ＳＫ－９０型食管扩张器扩张有效５４例，胃镜下扩张１７例和外科再次手术１１例。结果表明：扩张治疗显效３５例（４６．７％），有效３６例（４８．０％）。扩张并发症，食管及胃穿孔各１例，金属导丝弹簧头脱落２例，少量出血３例。手术治疗１１例（含扩张无效４例）除肿瘤复发２例无法手术外，其余手术效果良好，无手术死亡。 After anastomotic stenosis in esophageal and cardiac cancer patients, 82 cases were treated with SK-90 esophageal dilatation device, 54 cases underwent dilation under gastroscope, and 17 cases underwent surgical reoperation. The results showed that 35 patients (46.7%) were significantly improved by expansion therapy and 36 (48.0%) were effective. Expansion of complications, esophageal and gastric perforation in 1 case, metal wire spring head off in 2 cases, a small amount of bleeding in 3 cases. Surgical treatment in 11 cases (including 4 cases with no expansion) in addition to 2 cases of tumor recurrence can not be surgery, the rest of the surgery is good, no operative death.