HAVCR1 and renal cell carcinoma: KIM1 was elevated in RCC urine samplesUpon examining association between KIM1 levels and RCC, Urinary KIM1 of concentrations higher than 0.1 ng/ml was associated with a >36-fold risk of RCC, 82% sensitivity, and 90% specificityUrinary KIM1 levels decrease after surgical removal of the tumor