P1232: PRINCIPLES OF PRECISION ONCOLOGY IN PRIMARY REFRACTORY HIGH-GRADE B-CELL LYMPHOMA WITH MYC-, BCL2 AND/OR BCL6 REARRANGEMENTS (HGBL-DH/TH). (23rd June 2022) - Witte, H.; Faehnrich, A.; Riedl, J.; Kuenstner, A.; Ketzer, J.; von Bubnoff, N.; Merz, H.; Busch, H.; Feller, A.; Gebauer, N.