CD68 and neoplasm: The infiltration of the co-exist immune cells from two immune infiltration analysis, i.e. B cells memory (CD20 and CD27),55 T cells CD8 (CD4 and CD 8), Macrophage M0 (CD68) and T cells CD4 memory resting (CD4 and CD45RO)56 was detected by IHC in tumor and corresponding para-tumor tissues.