What is noteworthy is that MYC rearrangement is found not only in BL and HGBL with MYC and BCL2 and/or BCL6 rearrangements but also in DLBCL, FL, PBL, B-LBL/ALL, and even in myeloid tumors (27, 28). This evidence concerns the gene BCL6 and acute lymphoblastic leukemia.