非小细胞肺癌患者中70岁以上者占30%,大多数合并有心脑血管病等多种疾病,体质较弱,确诊时往往失去手术时机,因此放疗是首选治疗手段。立体适形放疗(3DCRT)能明显增加肿瘤的局部照射量,降低周围正常组织照射量,降低放射损伤。我院2006年6月至2007年7月采用3DRT治疗48例老年肺癌 Non-small cell lung cancer patients over the age of 70 accounted for 30%, most of the merger of cardiovascular and cerebrovascular diseases and other diseases, physical weakness, the diagnosis is often lost when the surgery, so radiotherapy is the preferred treatment. Stereoscopic conformal radiotherapy (3DCRT) can significantly increase the amount of local tumor irradiation, reduce the amount of normal tissue around radiation, reduce radiation injury. Our hospital from June 2006 to July 2007 treatment of 48 cases of elderly lung cancer with 3DRT