ITGAM and neoplasm: We further analyzed the cell number of total CD11b+ cells, granulocytic MDSCs (gMDSC: Ly6G+ CD11b+) and monocytic MDSCs (mMDSC: Ly6C+CD11b+) in the blood, bone marrow, spleen, liver and tumor at the third week and sixth week after 4T1-LG implantation.