Has the Outcome for Patients Who Undergo Resection of Primary Retroperitoneal Sarcoma Changed Over Time? A Study of Time Trends During the Past 15 years

Dario Callegaro, Chandrajit P. Raut, Deanna Ng, D. Strauß, Charles Honoré, Eberhard Stoeckle, Sylvie Bonvalot, Rick L. Haas, Nikolaos Vassos, Lorenzo Conti, Rebecca A. Gladdy, Mark Fairweather, Winan J. van Houdt, Yvonne Schrage, Frits van Coevorden, Piotr Rutkowski, Rosalba Miceli, Alessandro Gronchi, Carol J. Swallow