Hakan Bulus, MD, is Specialist, Department of Surgery, Keçiören Training and Research Hospital, Ankara, Turkey. Adnan Tas, MD, is Specialist, Department of Gastroenterology, Mustafa Kemal University Faculty of Medicine, Hatay, Turkey. Ahmet Koyuncu, MD, is Specialist, Department of Surgery, Keçiören Training and Research Hospital, Ankara, Turkey.