These lymphomas are known as double-hit (DH) or triple-hit (TH) lymphomas and, in the 2017 WHO classification, they belong to the provisional category of High-grade B-cell lymphomas with MYC and BCL2 or BCL6 rearrangements, or both (HGBCL-DH/TH) [1]. The gene discussed is BCL6; the disease is B-cell non-Hodgkin lymphoma.