Thus, a sample of 10 genes was formed to study the relationship of their expression with metastasis of ccRCC—CA9, NDUFA4L2, VWF, IGFBP3, BHLHE41, EGLN3, SAA1, CSF1R, C1QA, and FN1. Here, BHLHE41 is linked to nonpapillary renal cell carcinoma.