Department of Medical Oncology, Haydarpaşa Numune Education and Research Hospital, İstanbul, Turkey
2.Department of General Surgery, Haydarpaşa Numune Education and Research Hospital, İstanbul, Turkey
3.Department of Pathology, Haydarpaşa Numune Education and Research Hospital, İstanbul, Turkey
4.Department of Radiation Oncology, Dr. Lütfi Kırdar Kartal Education and Research Hospital, İstanbul, Turkey
5.Department of Radiology, Haydarpaşa Numune Education and Research Hospital, İstanbul, Turkey
6.Department of Gastroenterology, Haydarpaşa Numune Education and Research Hospital, İstanbul, Turkey