1. Pathology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
2. Clinical Oncology and Nuclear Medicine Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
3. Medical Oncology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
4. General Surgery Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt