- Twelve histopathological types include: Diffuse large B-cell lymphoma, nonspecific (60.6%); primary DLBCL of the CNS (5.8%); primary mediastinal (thymic) large B-cell lymphoma (1.0%); Burkitt lymphoma (0.3%); T-cell / histiocyte rich large B-cell lymphoma (1.4%); nodal marginal lymphoma (4.1%), splenic B-cell marginal zone lymphoma (0.7%), MALT lymphoma (7.5%); follicular lymphoma (8.6%); mantle cell lymphoma (7.5%); lymphoplasmacytic lymphoma (0.7%); chronic lymphocytic leukemia / small lymphocytic lymphoma (1.8%)