Clinical outcomes after SCB. (A) OS and PFS of patients treated with SCB from the time of receiving the boost. (B) Cumulative incidence of NRM and relapse in patients who received SCB. (C) Cumulative incidence of grade 2 to 4 and grade 3 to 4 acute GVHD after SCB. (D) Cumulative incidence of cGVHD and mod-sev cGVHD after SCB. aGVHD, acute GVHD; cGVHD, chronic GVHD; mod-sev, moderate-severe.