CD8A and neoplasm: The results (Fig. 2 A, B) showed significant differences in immune activity between the two groups, especially in CD8 + T cells, dendritic cells (DCs), iDCs, pDCs, T helper cells, Th2 cells, tumour-infiltrating lymphocytes (TIL), antigen-presenting cell (APC) coinhibition, APC costimulation, CCR, checkpoint, cytolytic activity, human leukocyte antigen (HLA), major histocompatibility complex (MHC) class I, parainflammation, T cell coinhibition and T cell costimulation, with P values < 0.001.