We observed that cluster1 patient tumor samples possessed significantly higher levels of CD8A, CD8B, HLA-A, and PRF1 (P < 4.19e-79, P < 1.59e-69, P < 2.96e-17, and P < 5.20e-58; Fig. 5b-e, respectively). The gene discussed is CD8A; the disease is neoplasm.