BCL6 and B-cell non-Hodgkin lymphoma: Aggressive B-cell lymphomas with the genetic rearrangements of MYC, BCL2 and BCL6 may show either a blastoid morphology or an intermediate morphology between Burkitt lymphoma (BL) and DLBCL or, in half of cases, may be morphologically indistinguishable from DLBCL, NOS.