We also analyzed expression of Lgals3, Gsn, Cav1, Egfr, Itgb2, Bnip3 and Pax8 using publically available data from 144 biopsies (77 ccRCC, 77 normal) in Gene Expression Omnibus (GEO) database GSE53757. Here, PAX8 is linked to nonpapillary renal cell carcinoma.