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