European Society for Blood and Marrow Transplantation data on allogeneic transplantation in patients with MDS-del(5q). A total of 124 patients received transplantation between 2016 and 2020. The 4-year estimated overall survival was 50% (95% confidence interval [CI], 39-60). The 4-year cumulative incidence of relapse was 25% (95% CI, 16-33), whereas that of nonrelapse mortality was 28% (95% CI, 19-36). See also supplemental Table 2. Pts, patients.