P1013: OVERALL SURVIVAL IN PATIENTS WITH SYSTEMIC MASTOCYTOSIS WITH ASSOCIATED HEMATOLOGIC NEOPLASM TREATED WITH AVAPRITINIB VERSUS BEST AVAILABLE THERAPY. (23rd June 2022) - Reiter, A.; Gotlib, J.; Álvarez-Twose, I.; Radia, D. H.; Luebke, J.; Bobbili, P. J.; Wang, A.; Norregaard, C.; Dimitrijević, S.; Sullivan, E.; Louie-Gao, M.; Schwaab, J.; et al.