881PCorrelations between disease-free survival (DFS) and overall survival (OS) in patients (pts) with renal cell carcinoma (RCC) at high risk for recurrence: Results from S-TRAC trial. (23rd October 2018) - George, D J; Pantuck, A J; Figlin, R; Escudier, B; Halabi, S; Casey, M; Lin, X; Serfass, L; Lechuga Frean, M J; Ravaud, A