Prof Martin Hutchings from Copenhagen University Hospital in Denmark, Dr Manali Kamdar from the University of Colorado Cancer Center, Dr Matthew Lunning from the University of Nebraska Medical Center and Prof Gilles Salles from Memorial Sloan Kettering Cancer Center in New York summarize currently available data guiding treatment decision-making for patients with relapsed/refractory diffuse large B-cell lymphoma and present cases from their practices.CME information and select publications here.