KRAS and colorectal carcinoma: The abundance of B cells (0.08 ± 0.06 vs. 0.09 ± 0.08), neutrophils (0.11 ± 0.06 vs. 0.13 ± 0.07), and macrophage (0.05 ± 0.06 vs. 0.07 ± 0.08) were significantly down-regulated in KRAS-mutant compared to that of KRAS wild-type CRC patients.