BCL6 and diffuse large B-cell lymphoma: Copie-Bergman et al. [38] analyzed 774 DLBCL cases characterized for cell of origin by the Hans classifier using FISH with BCL2, BCL6, MYC, immunoglobulin (IG)K, and IGL break-apart and IGH/MYC, IGK/MYC, and IGL/MYC fusion probes.