title: Cancer of unknown primary: time to put the pieces of the puzzle together?
authors: Department of Internal Medicine, Section of Medical Oncology, Attikon University Hospital, National Kapodistrian University of Athens, School of Medicine, Athens, Greece.
authors: Panagiota
authors: P
authors: Economopoulou
authors: Department of Medical Oncology, School of Medicine, University of Ioannina, 45110 Ioannina, Greece. Electronic address: gpenther@otenet.gr.
authors: George
authors: G
authors: Pentheroudakis
mesh_terms: D006801:Humans; D009382:Neoplasms, Unknown Primary