CD274 and intrahepatic cholangiocarcinoma: Accordingly, the expression of PD‐L1 in HCC, the densities of CD3+ T cells and CD163+ macrophages in HCC‐IM, the densities of CD8+ T cells in the peritumor liver, HCC‐IM, and ICC‐IM, and the density of Foxp3+ Tregs in the HCC components were selected out (Figure 4A).