P1381: EARLY FULL DONOR CHIMERISM AFTER FLAMSA RIC BASED ALLOGENEIC HSCT BUT NOT PRESENCE OF MORPHOLOGICAL REMISSION ASSOCIATES WITH OUTCOMES IN R/R AML PATIENTS. (23rd June 2022) - Ussmann, J.; Hell, S.; Schetschorke, B.; Friedrich, G.; Pfrepper, C.; Schwind, S.; Jentzsch, M.; Vucinic, V.; Herling, M.; Platzbecker, U.; Franke, G.-N.