ICAM1 and neoplasm: To investigate the potential mechanism determining PD-L1, ICAM-1, and CXCL10 expression in tumor cells, the levels of IFNα/γ-downstream transcriptional factors were used to correlate with PD-L1, ICAM-1, and CXCL10 expression by GEPIA and cBioPortal based on the TCGA database.