Abdurrahim Sayılır1, Ibrahim Nadir Düzgün2, Bülent Güvendi2. 1. Department of Gastroenterology, Prof. Dr. A. İlhan Özdemir Giresun State Hospital, Giresun, Turkey. 2. Department of General Surgery, Prof. Dr. A. İlhan Özdemir Giresun State Hospital, Giresun, Turkey.