RRM2 and adrenal cortex carcinoma: DSS analysis data indicated a correlation between high RRM2 expression and poor prognosis in TGCA cases of ACC (P<0.001), KICH (P = 0.001), KIRC (P<0.001), KIRP (P<0.001), LGG (P<0.001), LIHC (P = 0.028), LUAD (P = 0.004), MESO (P<0.001), PAAD (P = 0.014), PRAD (P = 0.03), and UVM (P<0.001) (Fig 3F–3J and S2J-S2O Fig in S1 File).