PB2209: HIGH RISK MYELODYSPLASTIC SYNDROME DEVELOPING IN A PATIENT AFTER CHIMERIC ANTIGEN RECEPTOR (CAR) T- CELL THERAPY FOR RELAPSED DIFFUSE LARGE B CELL LYMPHOMA. (23rd June 2022) - Accorsi Buttini, E.; Farina, M.; Turra, A.; Morello, E.; Polverelli, N.; Colnaghi, F.; Almici, C.; Ferrari, E.; Bianchetti, A.; Leoni, A.; Re, F.; Bosio, K.; et al.