4. DLBCL/HGBCL with MYC and BCL2 Rearrangements (DLBCL/HGBCL-MYC/BCL2) in WHO-HAEM5 Named HGBCL with MYC and BCL2 Rearrangements (HGBCL-DH-BCL2) in ICC. The gene discussed is BCL2; the disease is diffuse large B-cell lymphoma.