The relapse, TRM, OS and DFS among the patients receiving DLI (n=56). (A) Cumulative incidence of relapse. (B) Cumulative incidence of transplant-related mortality (TRM). (C) Overall survival (OS). (D) Disease-free survival (DFS). The patients were divided into four groups according to the results of MRD and chronic GVHD after DLI.