Affiliation: | (1) Department of Radiology, General Hospital of Ioannina, GR-450 01 Ioannina, Greece, GR;(2) Section of Oncology, Department of Internal Medicine, School of Medicine, University of Ioannina, GR-451 10 Ioannina, Greece, GR;(3) Section of Hepato-Gastroenterology, Department of Internal Medicine, School of Medicine, University of Ioannina, GR-451 10 Ioannina, Greece, GR |