title: Preface: PET/CT in Gastrointestinal Tumors: Fast Technological Changes Lead to Improved Patient Management.
authors.affiliation: Division of Nuclear Medicine, University Hospital of Liège, Campus Universitaire du Sart Tilman B35, 4000 Liège, Belgium. Electronic address: rhustinx@chu.ulg.ac.be.
authors.forename: Roland
authors.initials: R
authors.lastname: Hustinx