CD8A and neoplasm: As listed in Table 4, RAB42 significantly positively correlated with the gene markers of CD8+ T cells, Th1 cells, Th2 cells, Tfh cells, Th17 cells, Treg cells, tumor-associated macrophages (TAM), M1 macrophages, M2 macrophages, neutrophils cells, NK cells, DCs and B cells.