P615: BCL2 RESISTANCE MUTATIONS IN A REAL-WORLD COHORT OF PATIENTS WITH VENETOCLAX-TREATED CHRONIC LYMPHOCYTIC LEUKAEMIA. (23rd June 2022) - Kotmayer, L.; László, T.; Kiss, R.; Hegyi, L. L.; Mikala, G.; Farkas, P.; Balogh, A.; Masszi, T.; Demeter, J.; Weisinger, J.; Alizadeh, H.; Gergely, L.; et al.