Diffuse large cell lymphoma (Peripheral T-cell lymphoma unspecified) (Working Formulation) stage IV | Diffuse mixed small and large cell lymphoma (Peripheral T-cell lymphoma unspecified) stage IV | Diffuse small cleaved cell lymphoma (Peripheral T-cell lymphoma unspecified) stage IV | Large cell immunoblastic lymphoma (Peripheral T-cell lymphoma unspecified) stage IV | Lymphoepithelioid lymphoma (Kiel Classification) stage IV | Peripheral T-cell lymphoma unspecified stage IV | Pleomorphic medium and large T-cell lymphoma (Kiel Classification) stage IV | Pleomorphic small T-cell lymphoma (Kiel Classification) stage IV | Subcutaneous panniculitic T-cell lymphoma (Provisional subtype) stage IV | T-immunoblastic lymphoma (Peripheral T-cell lymphoma unspecified) (Kiel Classification) stage IV | T-immunoblastic lymphoma (Peripheral T-cell lymphoma unspecified) stage IV | T-zone lymphoma (Kiel Classification) stage IV |