NCOA7 and nonpapillary renal cell carcinoma: In summary, NCOA7 low expression in ccRCC was found to be significantly associated with several radiological and clinical features, including age, tumor grade, more advanced tumor stage according to the AJCC, collateral vascular supply, ill-defined margins, tumor composition, tumor necrosis, exophytic growth pattern ≥50%, and perinephric fat stranding.