Within these 148 comparisons, significantly higher expression in normal tissues compared to tumor tissues was observed only in six cases (ZNF138 in KIRC and THCA, ZNF200 in THCA, ZNF273 in PRAD, ZNF485 in THCA, and ZNF789 in KICH). This evidence concerns the gene ZNF138 and prostate adenocarcinoma.