Fatih Karaahmet1, Omer Basar2, Sahin Coban2, Gulden Aydoğ3, Osman Yuksel2. 1. Department of Gastroenterology, Dışkapı Yıldırım Beyazıt Educational and Research Hospital, Altındag, 06080, Ankara, Turkey. fatih_ares@yahoo.com.tr. 2. Department of Gastroenterology, Dışkapı Yıldırım Beyazıt Educational and Research Hospital, Altındag, 06080, Ankara, Turkey. 3. Department of Pathology, Türkiye Yüksek Ihtisas Hospital, Ankara, Turkey.