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. 2020 Jul 3;13:6475–6483. doi: 10.2147/OTT.S252031

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© 2020 Sun et al.

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Kaplan–Meier analysis for RFS of SCLC patients based on the two by two combination of the following markers: PD-1 on TILs, PD-L1 on TILs, CD3 on TILs, CD4 on TILs, CD8 on TILs, FOXP3 on TILs and PD-L1 on tumor cells. The respective Log Rank P values are shown in the chart.

Abbreviations: RFS, relapse-free survival; PD-1, programed death-1; PD-L1, programed death-ligand 1; TILs, tumor-infiltrating lymphocytes; SCLC, small-cell lung cancer.