Utilidad de los nuevos esquemas de agrupación de los grados de Fuhrman en la práctica clínica para el tumor renal de células claras

Our results show that categorizing the Fuhrman grade into three or two-tiered grading schemes provide the same predictive accuracy on progressive free survival and cancer specific survival. Grades III and IV have different outcomes so that the three-tiered classification seems to be more appropriate to described the course of these patients.