866 RBN-2397, a novel, potent, and selective PARP7 inhibitor, induces tumor-intrinsic type I interferon responses and adaptive immunity in preclinical models and patient tumors by Chang Liu, Manish Patel, Gerald Falchook, Patricia LoRusso, Timothy Yap, Melissa Johnson, Kristy Kuplast-Barr, Ryan Abo, Erika Manyak, Lisa Cleary, Viviana Bozon, Sudha Parasuraman, Heike Keilhack, Kristen McEachern