FOXM1 and acute lymphoblastic leukemia: FOXM1 mRNA levels clearly correlated with risk stratification of childhood ALL and were significantly lower in BM biopsies from patients with intermediate-risk pediatric ALL (n=31; including one patient with Ph+ ALL) compared with high-risk pediatric ALL (n=21; including one patient with Ph+ ALL; P=7.3e−5, Wilcoxon rank-sum test).