1. Department of Clinical pathology, National Cancer Institute, Cairo University, Cairo, Egypt
2. Department of Clinical pathology, Shefaa Al Orman Hospital, Luxor, Egypt
3. Department of Clinical and Chemical Pathology, Faculty of Medicine, Cairo University, Cairo, Egypt
4. Department of Medical Oncology, Shefaa Al Orman Hospital, Luxor, Egypt
5. Department of Clinical Oncology, Faculty of Medicine, Ain Shams University, Cairo, Egypt