Figure 2From: Variable density of CD8+ and CD25+ programmed cell death-1 (PD-1) ligand (PD-L1) CD4+ T cells within the tumor microenvironment causes differential responses to the PD-1/PD-L1 blockadeCorrelation between the clinicopathologic characteristics and PD-1+CD8 TIL or PD-L1+CD4 TIL in 42 lung cancer patients.Back to article page