“…Retrospective studies have described characteristics of patients with cancer who present to the ED. 2,4,9,10,11,12 Currently available data, gleaned from retrospective registries or surveys, lack granularity regarding ED course, functional status, symptom inventories, and other variables critical to understanding ED visits by patients with cancer. 4 To address this knowledge deficiency, the National Cancer Institute sponsors the Comprehensive Oncologic Emergencies Research Network (CONCERN), a multicenter research consortium including representatives from oncology and emergency medicine.…”