RUNX1 and leukemia: Most of these are recurrent and class-defining in pAML (for example, KMT2Ar, 20.3%; RUNX1::RUNX1T1, 12.4%) (Fig. 1b and Supplementary Table 6), whereas we also found fusions recurrent in other leukemias, such as SET::NUP214 (n = 1) or SFPQ::ZFP36L2 (n = 1).