KRAS and adrenal cortex carcinoma: compared with adjacent normal tissues, the KRAS expression was significantly higher in ACC (P < 0.001), BRCA (P < 0.001), CESC (P < 0.001), CHOL (P < 0.001), COAD (P < 0.001), ESCA (P < 0.001), GBM (P < 0.001), HNSC (P < 0.01), KICH (P < 0.001), KIRC (P < 0.05), LAML (P < 0.001), LGG (P < 0.001), LIHC (P < 0.001), LUAD (P < 0.001), LUSC (P < 0.001), OV (P < 0.001), PAAD (P < 0.001), PRAD (P < 0.001), SKCM (P < 0.001), STAD (P < 0.001), TGCT (P < 0.001), THCA (P < 0.001), UCS (P < 0.001).