CONCLUSION : CT Guided Radioactive 125I seeds Interstitial Implantation is a safe ,effective method with little side effects and worth spread .

• 复查病例均未发现放射性肺炎及骨髓抑制等严重并发症。 结论CT导向下放射性125I粒子组织间植入治疗肺癌安全有效,并发症少,值得推广。