S158: FINAL RESULT OF TKI DISCONTINUATION TRIAL WITH DASATINIB FOR SECOND ATTEMPT OF TREATMENT FREE REMISSION AFTER FAILING FIRST ATTEMPT WITH IMATINIB: TREATMENT-FREE REMISSION ACCOMPLISHED BY DASATINIB. (23rd June 2022) - Kim, D.; Atenafu, E.; Forrest, D.; Bence-Bruckler, I.; Savoie, L.; Keating, M.-M.; Busque, L.; Delage, R.; Xenocostas, A.; Liew, E.; Laneuville, P.; Paulson, K.; et al.