Of note, the diagnosis was updated for 11 cases from nine patients (additional 6.7% of cohort), including four BCOR-rearranged sarcomas, a kidney clear cell sarcoma with a BCOR internal tandem duplication (ITD)51, two infant lymphoblastic leukemias with MLL partial tandem duplications and two megakaryoblastic leukemias with sarcomatous components. This evidence concerns the gene KMT2A and adult acute megakaryoblastic leukemia.