A indicates chemotherapy recipients after an early first relapse; B, transplant recipients with TBI regimens after an early first relapse; C, transplant recipients with non-TBI regimens after an early first relapse; D, chemotherapy recipients after late first relapse; E, transplant recipients with TBI regimens after late first relapse; and F, transplant recipients with non-TBI regimens after late first relapse.
From Eapen M, Raetz E, Zhang MJ, Muehlenbein C, Devidas M, Abshire T et al. Outcomes after HLA-matched sibling transplantation or chemotherapy in children with B-precursor acute lymphoblastic leukemia in a second remission: a collaborative study of the Children's Oncology Group and the Center for International Blood and Marrow Transplant Research. Blood 2006; 107(12): 4961-7.