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127例晚期NSCLC患者PFS生存曲线。中位PFS为8个月（95%CI: 5.8-10.2）。
Kaplan-Meier survival curve of 127 cases of advanced non-small cell lung cancer (NSCLC). The median progression-free survival (PFS) was 8.0 months(95%CI: 5.8-10.2).
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