Wilms tumor in children: a multivariate analysis of prognostic factors, with emphasis on inferior vena cava/right atrium extension. Results from a single-center study - Brener, Pedro Zanetta; Tannuri, Ana Cristina Aoun; Teixeira, Roberto Augusto Plaza; Cristofani, Lilian Maria; Evangelista, Ana Beatriz Rabelo; Sugiyama, Renata Morita; Tannuri, Uenis (Surgical oncology-oxford, 2023)