OBJECTIVE:To study the clinical significance of BCG PSN combined with operation or chemotherapy in treating non small cell lung cancer(NSCLC).

• 目的 :探讨卡介菌核糖核酸 (BCG PSN)与手术或化疗联合治疗非小细胞肺癌 (non smallcelllungcancer ,NSCLC)的临床意义。