1. Diffuse large B cell lymphoma (DLBCL), female, 74 y.o., 4x2. Diffuse large B cell lymphoma (DLBCL), 10x3. Diffuse large B cell lymphoma (DLBCL), 10x4. Diffuse large B cell lymphoma (DLBCL), 20x5. Diffuse large B cell lymphoma (DLBCL), 20x6. Diffuse large B cell lymphoma (DLBCL), 20x7. Diffuse large B cell lymphoma (DLBCL), 40x8. CD20, 20x9. BCL-2, 20x10. BCL-6, 20x11. Ki-67, 20x