634 EVEREST-1: A seamless phase 1/2 study of CEA logic-gated Tmod CAR T-cell therapy (A2B530) in patients with solid tumors associated with CEA expression also exhibiting HLA loss... by Sarah Nikiforow, Yi Lin, Marcela Maus, Armen Mardiros, Frederick L Locke, Scott Kopetz, Matthew Frigault, David Maloney, Jeffrey Ward, Jennifer Specht, Edward Garon, Diane M Simeone, John Welch, Kedar Kirtane, Marwan Fakih, Julian Molina, Kirstin Liechty, Ariane Lozac’hmeur, J Randolph Hecht, Caleb Smith, Salman R Punekar, Theodore Welling, M Pia Morelli, Patrick M Grierson, Sandip P Patel, Wen-Kai Weng, Tomislav Dragovich, Judy Vong, William Y Go, Eric W Ng