592 ATR-mediated CD47 and PD-L1 upregulation restricts radiotherapy-induced immune priming and abscopal responses in colorectal cancer by Mien-Chie Hung, Junjie Chen, Michael Curran, Nils-Petter Rudqvist, Chao-Hsien Chen, Ronald DePinho, Steven Lin, Akash Boda, Priyamvada Jayaprakash, Brittany Morrow, Rishika Prasad, Anupallavi Srinivasamani, Michelle Winkler, Rodney Cheng-En Hsieh, Sunil Krishnan, Ren-Chin Wu, Arthur Liu, Wen-Hao Hsu, Li-Chuan Chan, Krithikaa Bhanu, Ricardo De Azevedo, Yung-Chih Chou, Matthew Gubin, Eduardo Vilar-Sanchez, Ravaen Slay, Shweta Hegde, Genevieve Hartley, Spencer Lea, Coline Couillault, Madeline Steiner, Chun-Chieh Wang, Bhanu Venkatesulu, Cullen Taniguchi, Betty Kim