ENO2 and renal cell carcinoma: Abbreviations: CK = cytokeratin, CNS = central nervous system, CT = computed tomography, DWI = diffusion-weighted imaging, FA = flip angle, HE = hematoxylin and eosin, MRI = magnetic resonance imaging, NSE = neuron-specific enolase, PVHL = VHL protein, RCC = renal cell carcinoma, RH = renal hemangioblastoma, TE = echo time, TR = repetition time, VHL = Von-Hippel-Lindau.