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The variable PD-L1+PDPN+ tumor cells (%) was divided into two groups based on the median value for the percentage of PD-L1+PDPN+ cells in our samples (median = 19.4%). Univariate analysis showed prognostic significance for PD-L1+PDPN+ tumor cells (p = 0.012). After multivariate adjustments, it remained an independent negative prognostic factor.
