Departments of, General Surgery, Ankara University, School of Medicine, Ankara
2.Departments of General Surgery and Pathology, Ankara University, School of Medicine, Ankara
3.Departments of Pathology, Ankara University, School of Medicine, Ankara
4.Department of Surgery, Ankara University Faculty of Medicine, Ankara, Turkey
5.Departments of Pathology, Ankara University, Medical School, Ankara
6.Departments of Surgery, Ankara University, School of Medicine, Ankara