Detection of residual disease by RT-PCR in blood, cytapheresis product, or bone marrow. (*) Autologous transplantation; (#) allogeneic bone marrow transplantation; D, death; R, relapse; UPN, unique patient number; (•) RT-PCR–positive result in peripheral blood; (○) RT-PCR–negative result in peripheral blood; (▪) RT-PCR–positive result in cytapheresis product; (□) RT-PCR–negative result in cytapheresis product; (▮) RT-PCR–positive result in bone marrow; () RT-PCR–negative result in bone marrow; (1) weak positivity.