fig1
![Impact of previous anti-angiogenesis treatment in nivolumab-treated advanced non-small cell lung cancer](https://image.oaes.cc/016e0f3c-6277-443c-968c-559c51b68275/2353.fig.1.png)
Figure 1. Progression-free survival according to clinical characteristics. Progression-free survival curves were plotted according to six clinical characteristics. log-rank tests were used for statistical analysis
Figure 1. Progression-free survival according to clinical characteristics. Progression-free survival curves were plotted according to six clinical characteristics. log-rank tests were used for statistical analysis
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