P1149: THE EVOLVING STATE OF PLAY IN 1000 PATIENTS WITH WALDENSTRÖM'S MACROGLOBULINAEMIA IN THE UNITED KINGDOM (UK): A REAL-WORLD DATA ANALYSIS FROM THE WMUK RORY MORRISON REGISTRY PROJECT. (23rd June 2022) - Uppal, E.; Otamas, A.; Khwaja, J.; McCarthy, H.; Kothari, J.; Rismani, A.; El-Sharkawi, D.; Kyriakou, C.; D'Sa, S.