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