PD51-01 CONTEMPORARY SURGICAL OUTCOMES OF RETROPERITONEAL LYMPH NODE DISSECTION FROM THE SEMS TRIAL. (May 2022) - Hu, Brian; Alsyouf, Muhannad; Cary, Clint; Masterson, Timothy A.; Einhorn, Lawrence; Boorjian, Stephen A.; Kollmannsberger, Christian K.; Schuckman, Anne K.; So, Alan; Black, Peter C.; Bagrodia, Aditya; Skinner, Eila C.; et al.