P449: NOVEL, FIRST-IN-CLASS, SOMATIC IDH2 DELETION-INSERTION VARIANT C.516_518DELINSTGC CONFERS BORDERLINE PHENOTYPE AND DOES NOT SHOW SUSCEPTIBILITY TO ENASIDENIB IN-VITRO oleh L. Ruhnke, D. M. Poitz, S. Herold, S. Dressler, C. Dill, M. Peitzsch, U. Oelschlägel, J. Frimmel, D. Kunadt, T. Kretschmann, H. Altmann, F. Stölzel, C. Röllig, T. Chavakis, G. Baretton, K. Schäfer-Eckart, M. Bornhäuser