In addition, cytoplasmic expression of GLUT1 was noted in 55.2% of patients with ccRCC, 38% with papillary RCC, 13% with chromophobe RCC, 22% with oncocytomas, and in 82% of the patients with transitional cell carcinoma [110]. Here, SLC2A1 is linked to nonpapillary renal cell carcinoma.