P631: A PCR-BASED ASSAY FOR IGLV3-21R110 SCREENING CONFIRMS ITS PROGNOSTIC VALUE IN AN INDEPENDENT COHORT OF 613 PATIENTS WITH CHRONIC LYMPHOCYTIC LEUKEMIA. (23rd June 2022) - Syrykh, C.; Russiñol, N.; Baumann, T.; Kulis, M.; Alcoceba, M.; González, M.; Colado, E.; Payer, Á. R.; Aymerich, M.; Terol, M. J.; Ruiz-Gaspà, S.; López-Guillermo, A.; et al.