The average number of copies of CYP4A11 and CYP4A22 in the 50-ng cDNA template in the ccRCC tissue/non-neoplastic renal cortical tissue was 14.6/171.3 and 22.4/123.0, respectively (Fig. 4). The gene discussed is CYP4A22; the disease is nonpapillary renal cell carcinoma.