P1450: AUTOLOGOUS STEM CELL TRANSPLANTATION INDUCES HIGHER LEVEL OF EXHAUSTED T-CELLS IN DLBCL PATIENTS BEFORE LEUKAPHERESIS FOR CAR-T CELL THERAPY. (23rd June 2022) - Farina, M.; Chiarini, M.; Almici, C.; Beghin, A.; Accorsi Buttini, E.; Galvagni, A.; Ferrari, E.; Bianchetti, A.; Zuccalà, F.; Piva, S.; Volonghi, I.; Poli, L.; et al.