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. The gene discussed is FN1; the disease is nonpapillary renal cell carcinoma.