CD8A and intrahepatic cholangiocarcinoma: Moreover, we neither found any differences between adjacent normal tissues and ICC tissues regarding the percentage of infiltrating CD103+ immune cells (P = 0.669, Supplementary Fig. 1D), the percentage of infiltrating CD8+T cells (P = 0.452, Supplementary Fig. 1E), nor the percentage of tissue-resident CD103+CD8+T cells (P = 0.668, Supplementary Fig. 1F).