PUIA, Cosmin I., Third Surgery Clinic, Prof. Dr. “Octavian Fodor” Regional Institute of Gastroenterology - Hepatology, 19-21 Croitorilor Street, 400162 Cluj-Napoca; Oradea University, Faculty of Medicine and Pharmacy, Doctoral School of Biomedical Sciences, Oradea; “Iuliu Haţieganu” University of Medicine and Pharmacy, Faculty of Medicine, Department of Surgery, 19-21 Croitorilor Street, Cluj-Napoca, Romania