Other lymphomas, documented or postulated to be antigen-driven, include chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) responding to non-muscle myosin heavy chain IIA (4), LDL receptor-related protein-associated protein 1 (LRPAP1)-stimulated mantle cell lymphoma (MCL) (5), hepatitis C virus (HCV)-related splenic marginal zone lymphoma (SMZL), Borrelia burgdorferi-dependent primary cutaneous marginal zone lymphoma (PCMZL), Chlamydia psittaci-activated MALT of ocular adnexa, and Moraxella catarrhalis-promoted nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) (6). The gene discussed is MYH9; the disease is mantle cell lymphoma.