S106: UBTF-ATXN7L3 GENE FUSION DUE TO 17Q21.31 DELETION DEFINES NOVEL HIGH-RISK ALL SUBTYPE AMENABLE TO MRD-BASED TREATMENT INTENSIFICATION. (23rd June 2022) - Bastian, L.; Hartmann, A.; Beder, T.; Hänzelmann, S.; Kässens, J.; Bultmann, M.; Höppner, M. P.; Franzenburg, S.; Wittig, M.; Franke, A.; Nagel, I.; Spielmann, M.; et al.