B-immunoblastic lymphoma (Kiel Classification) stage IV | B-large cell anaplastic Lymphoma (Kiel Classification) stage IV | Centroblastic lymphoma stage IV | Diffuse large B-cell lymphoma stage IV | Diffuse large cell cleaved lymphoma (Working Formulation) stage IV | Diffuse large cell lymphoma (Diffuse large B-cell lymphoma) (Working Formulation) stage IV | Diffuse mixed small and large cell lymphoma (Diffuse large B-cell lymphoma) stage IV | Large cell immunoblastic lymphoma (Diffuse large B-cell lymphoma) (Working Formulation) stage IV | Reticulosarcoma stage IV | Reticulosarcoma, unspecified site, extranodal and solid organ sites | Disseminated diffuse large B-cell lymphoma |