Median overall survival comparing high and low percentage of PD-L1 + leukocytes, PD-L1 + PLTs and PMPs, plasma sPD-L1 levels, and tumor PD-L1 expression. Median progression-free survival (PFS) according to high or low group of a PD-L1 + CD4 + , b PD-L1 + CD8 + , c PD-L1 + CD8 + NK cells, d PD-L1 + CD14 + , e PD-L1 + Neutrophils, f pg/ml of sPD-L1, g PD-L1 + PLTs and h PD-L1 + PMPs. i Tumor proportion score (TPS)