CD163 and neoplasm: FCGR1A, FCGR2A and FCGR3A are also known as CD64, CD32 and CD16. CD64, CD32, CD16, CD163 and CD86 are homologous leucocyte differentiation antigens. The high expression of FCGR1A, FCGR2A and FCGR3A is significantly related to better prognosis of tumour.