CCL2 and neoplasm: They found that myeloid cells include non-classical monocytes (CD16hi-Mo, overexpressing CD16), tumor-inflammatory monocytes (TIMo, CCL20, CD14, CCL2, CCL5), monocyte-macrophage (Mo-MΦ, S100A9lowand C1QAhigh), antigen-presenting macrophages (AP-MΦ, APOE, APOC1, CTSF), M2-macrophages (M2-MΦ, CD68 + CD163 +) and myeloid dendritic cells (mDCs).