HLA-A and neoplasm: Notably, the expression of HLA-A was markedly reduced in tumor tissues of HLA-A02+B62+B44− patients or A02-positive individuals relative to other cases (Figs. 4D and E, Supplementary Figs. S7A and B, Supplemental Digital Content 3, http://links.lww.com/JS9/A234), whereas there were scarcely any similar observations of other HLA encoding genes.