P1159: A MULTICENTER, INTERNATIONAL COLLABORATIVE STUDY EVALUATING FRONTLINE THERAPY WITH BENDAMUSTINE RITUXIMAB FOR WALDENSTRÖM MACROGLOBULINEMIA. (23rd June 2022) - Zanwar, S.; Abeykoon, J.; Castillo, J.; Durot, E.; Kastritis, E.; Uppal, E.; Morel, P.; Tawfiq, R.; Montes, L.; Paludo, J.; Sarosiek, S.; Kumar, S.; et al.