In particular, neutrophils express several Fc receptors (FcRs), such as FcγRI (CD64), FcγRIIa (CD32), FcγRIIIa (CD16a), and FcγRIIIb (CD16b) that recognize tumor cell-specific antibodies and mediate ADCC (52, 54, 55). The gene discussed is FCGR3A; the disease is neoplasm.