Since MDSCs play an important role in tumor maintenance, CD84 expression was determined on M-MDSCs (CD14+, CD11B+, HLA-DR–, CD15–) and granulocytic-MDSCs (G-MDSCs) (CD15+, CD11B+, HLA-DR–, CD14–) derived from BM patient samples. This evidence concerns the gene FUT4 and neoplasm.