HK2 and nonpapillary renal cell carcinoma: Compared with those in the normal control group, patients with ccRCC exhibited higher expression of PGK1, GPI, ALDOA, TPI1, GAPDH, ENO1, ALDOC, PDK1, LDHA, HK2, SHMT2, ENO2, HK3, SDS, PGLS, G6PD, and PRIA (Figure 3(c)).