P328: DYNAMIC EVOLUTION OF TCF3-PBX1 LEUKEMIAS AT THE SINGLE-CELL LEVEL UNDER CHEMOTHERAPY PRESSURE. (23rd June 2022) - Kusterer, M.; Lahnalampi, M.; Voutilainen, M.; Gentile, G.; Pennisi, S.; Norona, J.; Greve, G.; Lübbert, M.; Sankowski, R.; Prinz, M.; Killmer, S.; Salvat Lago, M.; et al.