Fig. 1From: PD-L1 expression in liver metastasis: its clinical significance and discordance with primary tumor in colorectal cancerAssociation of PD-L1 expression with CD4 density and CD8 density in liver metastasis in CRC. Positive PD-L1 expression in liver metastasis is significantly related with higher levels of CD4 density and CD8 density in liver metastasis in CRCBack to article page