650 Neoadjuvant ezabenlimab or pembrolizumab in combination with an anti-SIRPα antibody in resectable colorectal cancer by Noam Harpaz, Samarth Hegde, Lisa Fitzgerald, Stephen Ward, Miriam Merad, Thomas Marron, Zheng Zhu, Qingqing Liu, Celina Ang, Deborah Doroshow, Umut Sarpel, Kathy Wu, Ana Acuna-Villaorduna, Natalie Lucas, Nicholas Venturini, Raphaël Mattiuz, Clotilde Hennequin, Jessica Le Berichel, Theodore Chin, Amanda Reid, Leanna Troncoso, David Greenwald, Ari Grinspan, Steve Itzkowitz, Aimee L Lucas, Dana Zalkin, Peter Kozuch, Sergey Khaitov, Alex Ky-Miyasaka, Randolph Steinhagen, Patricia Sylla, Gunther Kretschmar, John Paulsen, Xintong Wang, Alexandros D Polydorides, Deirdre Cohen, Gabriela Fazilov, Gary Shelton, Amber Cameron, Megan Yuan