CD8A and neoplasm: In this study, we examine the expression level of tumor cell-intrinsic cGAS-STING and its association with the infiltration of CD8+ T cells and clinical outcomes in pMMR/MSS CRC by analyzing immunohistochemistry (IHC) of our cohort and gene expression datasets obtained from The Cancer Genome Atlas (TCGA) and the Gene Expression Omnibus (GEO).