1. Gastroenterology Department, Endoscopy Unit, Mersin State Hospital, Nusratiye Mahallesi, 33050 Mersin, Turkey
2. Gastrointestinal Surgery Department, Mersin State Hospital, 33050 Mersin, Turkey
3. Pathology Department, Mersin State Hospital, 33050 Mersin, Turkey
4. General Surgery Department, Mersin University, 33050 Mersin, Turkey