1. Pathology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
2. Batterjee Medical College for Sciences and Technology, Jeddah, Saudi Arabia
3. Medical Oncology Unit, Internal Medicine Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
4. Medical Oncology Unit, Oncology Center, Mansoura University, Mansoura, Egypt