CDK6 and adrenal cortex carcinoma: For example, in LUSC, ESCA, STAD, CHOL, DLBC, and PCPG tumors, the expression of CDK6 is not related to the infiltration and distribution of most immune cells, but in BLCA, TGCT, BRCA, KIRC, LAML, and ACC tumors, the relationship is significant (Figure 7A).