In terms of DSS, KLRB1 was a protective gene in ACC (p = 0.007), BLCA (p = 0.025), CESC (p = 0.001), HNSC (p = 0.003), LIHC (p = 0.041), OV (p = 0.041), SKCM (p < 0.001), THCA (p = 0.003), and UCEC (p < 0.001) (Figure 2(b)). This evidence concerns the gene KLRB1 and adrenal cortex carcinoma.