YTHDF1 expression was linked with tumor purity (r = 0.152, p = 1.44 × 10−6), B cells (r = 0.07, p = 2.96 × 10−2), CD8+ T cells (r = 0.175, p = 3.53 × 10−8), CD4+ T cells (r = 0.089, p = 2.96 × 10−2). The gene discussed is CD8A; the disease is neoplasm.