title: Cancer from an unknown primary site.
abstract: Cancer from an unknown primary site (CUP) is frequently encountered in clinical practice. This review is designed to help physicians identify those patients with CUP that benefit from specific therapeutic approaches. The utility of pathologic and diagnostic tests in patients with CUP will also be discussed, as will the prognosis and appropriate treatment of these patients.
authors.forename: Jonathan E
authors.initials: JE
authors.lastname: Dowell
mesh_terms: D006801:Humans; D009382:Neoplasms, Unknown Primary / Q000175:diagnosis* / Q000235:genetics / Q000473:pathology / Q000628:therapy*