EPOR and adrenal cortex carcinoma: EPOR expression was positively correlated with the MSI of ACC (p = 0.013), COAD (p = 0.00026), LGG (p = 0.00019), LUAD (p = 7.3e - 11), LUSC (p = 0.0057), PAAD (p = 0.023), and PRAD (p = 0.0093) and negatively correlated with the MSI of KIRC (p = 0.02) and SARC (p = 0.019) (Figure 9B).