EFS of NCI SR patients with favorable genetic features. (A) TEL-AML1. (B) Double trisomies. The very few patients with both lesions are included in panel A as a function of end-induction MRD. Outcome of MRD⁺ patients in both groups is much worse than those who are MRD⁻. The 5-year EFS is indicated on each curve as appropriate.