P1130: ACALABRUTINIB IN TREATMENT-NAIVE OR RELAPSED/REFRACTORY WALDENSTRÖM MACROGLOBULINEMIA: 5-YEAR FOLLOW-UP OF A PHASE 2, SINGLE-ARM STUDY. (23rd June 2022) - Owen, R.; McCarthy, H.; Rule, S.; D'Sa, S.; Thomas, S.; Tournilhac, O.; Forconi, F.; José Kersten, M.; Luigi Zinzani, P.; Iyengar, S.; Kothari, J.; Minnema, M.; et al.