External validation of a multi-institutional retroperitoneal sarcoma nomogram

Authors

Chandrajit P. Raut, Rosalba Miceli, Dirk C. Strauss, Carol J. Swallow, Peter Hohenberger, Frits van Coevorden, Piotr Rutkowski, Marco Fiore, Dario Callegaro, Paolo G. Casali, Rick L. Haas, Andrew J. Hayes, Charles Honore, Amanda J. Cannell, Jens Jakob, Milena Szacht, Mark Fairweather, Raphael E. Pollock, Sylvie Bonvalot, Alessandro Gronchi