Affiliation: | 1. Surgical Oncology Department, Children''s Cancer Hospital 57357, Cairo, Egypt;2. Surgical Oncology Unit, Faculty of Medicine, Tanta University, Tanta, Egypt;3. Pediatric Oncology Department, National Cancer Institute - Cairo University, Cairo, Egypt;4. Pediatric Oncology Department, Children''s Cancer Hospital 57357, Cairo, Egypt;5. Pathology Department, National Cancer Institute - Cairo University, Cairo, Egypt;6. Pathology Department, Children''s Cancer Hospital 57357, Cairo, Egypt;7. Radiology Department, Faculty of Medicine, Helwan University, Cairo, Egypt;8. Radiology Department, Children''s Cancer Hospital 57357, Cairo, Egypt;9. Anesthesia Department, National Cancer Institute - Cairo University, Cairo, Egypt;10. Anesthesia Department, Children''s Cancer Hospital 57357, Cairo, Egypt;11. Surgery Department, Faculty of Medicine, Helwan University, Cairo, Egypt |