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小细胞肺癌与非小细胞肺癌的生物特性‘有显著不同，在临床上表现为高度恶性，早期即发生转移，对化疗较敏感，但单纯化疗，长期生存率仍不佳，肿瘤复发率为40％～60％。据文献报告通过化疗辅以手术治疗局限期小细胞肺癌，5年生存率可达15％’‘’；另据文献报道，周围型小细胞
The biological characteristics of small cell lung cancer and non-small cell lung cancer are significantly different. They are clinically highly malignant, metastasis occurs early, and are sensitive to chemotherapy. However, long-term survival rates are still poor with chemotherapy alone. The tumor recurrence rate is 40. % to 60%. According to reports in the literature, chemotherapy is used in combination with surgery to treat limited-stage small-cell lung cancer. The 5-year survival rate is 15%, and ‘‘’; according to reports, peripheral small cell