With the increasing number of elderly patients suffering from cancer, comorbidity and functional impairment become common problems in patients with cancer. Both comorbidity and functional impairment are associated with a shorter survival time in cancer patients, but their independent role has rarely been addressed before.
Department for Internal Medicine II, Division of Haematology and Medical Oncology, Friedrich Schiller University, Erlanger Allee 101, 07747 Jena, Germany. ulrich.wedding@med.uni-jena.de
