HLA-A and nasopharyngeal carcinoma: Of equal importance, it has been suggested that certain human leukocyte antigens (HLA), such as HLA-A*02:27 or HLA-A*11:01 increase NPC risk [8], while another report summarizes that individuals having HLA-A*02:07, HLA-A*33:03 or HLA-B*38:02 alleles result in higher risk towards NPC [7].