Novel Classification for Upper Tract Urothelial Carcinoma to Better Risk-stratify Patients Eligible for Kidney-sparing Strategies: An International Collaborative Study

Gautier Marcq, Beat Foerster, Mohammad Abufaraj, Surena F. Matin, Mounsif Azizi, Mohit Gupta, Wei‐Ming Li, Thomas Seisen, Timothy N. Clinton, Évanguelos Xylinas, Maria Carmen Mir, D.G. Schweitzer, Andrea Mari, Shoji Kimura, Marco Bandini, Romain Mathiéu, Ja Hyeon Ku, Georgi Guruli, Markus Grabbert, Anna Czech, Tim Muilwijk, Armin Pycha, David D‘Andrea, Firas G. Petros, Philippe E. Spiess, Trinity J. Bivalacqua, Wen‐Jeng Wu, Morgan Rouprêt, Laura-Maria Krabbe, Kees Hendricksen, Shin Egawa, Alberto Briganti, Marco Moschini, V. Graffeille, Riccardo Autorino, Patricia John, Axel Heidenreich, Piotr Chłosta, Steven Joniau, Francesco Soria, Phillip M. Pierorazio, Shahrokh F. Shariat, Wassim Kassouf