P1210: IMMUNE CORRELATES OF RESPONSE TO GLOFITAMAB: BIOMARKER FINDINGS FROM A PIVOTAL PHASE II EXPANSION STUDY IN PATIENTS WITH RELAPSED OR REFRACTORY (R/R) DIFFUSE LARGE B-CELL LYMPHOMA (DLBCL). (23rd June 2022) - Piccione, E. C.; Belousov, A.; Hamidi, H.; Carlo-Stella, C.; Dickinson, M.; Morschhauser, F.; Lundberg, L.; Humphrey, K.; Tracy, S.; Hutchings, M.