In addition to Natural Killer (NK) cells (defined by CD57 positivity), numerous myeloid lineage cells, including Macrophages (CD68+ HLA-DR+), Tumor-Associated Macrophages (TAMs, CD68+ HLA-DR-), Mono-Macs (CD14+ CD68+), Monocytes (CD14+ HLA-DR+), Myeloid-Derived Suppressor cells (MDSCs, CD14+ HLA-DR-), and Neutrophils (CD11b+), were also identified. The gene discussed is CD68; the disease is neoplasm.