Fig. 2

Survival analyses according to the PD-L1, PD-L2, and PD-1 expression levels in the GEO and IHC cohorts. a OS according to PD-L1, PD-L2, and PD-1 in the GEO cohort. b OS according to PD-L1, PD-L2, and PD-1 in the IHC cohort. c Subgroup survival analyses according to PD-L1 and PD-L2 expression in the IHC cohort. d Subgroup survival analyses according to PD-L1 and PD-1 expression in the IHC cohort. e Subgroup survival analyses according to PD-L2 and PD-1 expression in the IHC cohort