B-immunoblastic lymphoma (Kiel Classification) refractory | B-large cell anaplastic Lymphoma (Kiel Classification) refractory | Centroblastic lymphoma refractory | Diffuse large B-cell lymphoma refractory | Diffuse large cell cleaved lymphoma (Working Formulation) refractory | Diffuse large cell lymphoma (Diffuse large B-cell lymphoma) (Working Formulation) refractory | Diffuse mixed small and large cell lymphoma (Diffuse large B-cell lymphoma) refractory | Large cell immunoblastic lymphoma (Diffuse large B-cell lymphoma) (Working Formulation) refractory | Reticulosarcoma refractory |