OS according to donor type and risk of disease. OS after transplantation from an RD/1AG-MM-GVH donor, an 8/8-MUD, and HLA-MRD in patients with both-risk (A), standard-risk (B), or high-risk diseases (C). Survival rates in the 8/8-MUD and RD/1AG-MM-GVH groups were compared with the log-rank test.