Methods Under fluoroscopic guidance, 25 cases with esophageal malignancies were treated by placement of 26 self-expanding covered stents into the stenotic segmemnts of the esophagus.

• 方法在透视监视下,25例食管癌性狭窄置入26个不同规格的自膨式覆膜食道支架,追踪观察病人临床症状改善情况。