Detectable WT1 transcript levels in blood and bone marrow. Percentage of patients with detectable WT1 transcript levels in peripheral blood (PB) and bone marrow (BM) at enrollment, CR, pretransplantation immunotherapy day 0 and day 14, posttransplantation immunotherapy 1 (Vax 1) and 4 (Vax 4), and follow-up (post Vax 4). Boxes signify chemotherapy treatments including induction, consolidation (Consol), and ASCT. Arrows signify immunotherapy administration. Numbers along the bottom of the chart signify the number of patients with data at each time point.