Fig. 3
From: Classification of gallbladder cancer by assessment of CD8+ TIL and PD-L1 expression
Representative staining patterns of samples classified through combining PD-L1 expression and CD8+ TILs (× 400 magnification). The left panel shows the expression of PD-L1 and the right panel shows the status of CD8+ TILs. I: PD-L1− CD8high (a); II: PD-L1+ CD8high (b); III: PD-L1− CD8low (c); IV: PD-L1+ CD8low (d)