求翻译：因此在众多抗肿瘤药物中选择具有针对非小细胞型肺癌的药物是现今最大的课题。其中单药抗嘧啶代谢类药物吉西他滨(GEM)对非小细胞型肺癌有较好的疗效,据报道单药疗效大于等于20%。与顺铂(DDP)联用可改善患者生活质量及延长其生存期。美国西南肿瘤协作组报道了中心协作中吉西他滨联合顺铂的方案治疗NSCLC，有效率为26％，中位生存期为8个月，1年生存率为36％。以实习医院吉西他滨联合顺铂治疗非小细胞型肺癌患者的病例为研究对象，进行分析是什么意思？

Therefore, the choice of many anticancer drugs is today the biggest issue for non-small cell lung cancer drug. Single-agent anti-pyrimidine metabolism drugs gemcitabine (gem) has a good effect of non-small cell lung cancer, according to the reported single-agent efficacy of greater than or equal to

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Therefore the choice has in the multitudinous anti-tumor medicine in view of the non-cellule lung cancer medicine is the nowadays bigges

So many anti-cancer drug, choose has drug for non-small cell lung cancer that is today's biggest issues. Single-drug anti-pyrimidine metabolism drugs Gemcitabine (GEM) have a good effect on non-small cell lung cancer, it was reported that single medicine effect is greater than or equal to 20%. And c