1 Clinical Oncology Department, Faculty of Medicine, Sohag University Hospital, Egypt. Electronic address: amr.muhammed@med.sohag.edu.eg.
2 Clinical Oncology Department, Faculty of Medicine, Sohag University Hospital, Egypt; Nuclear Medicine Department, Faculty of Medicine, Sohag University Hospital, Egypt.
3 Clinical Oncology Department, Faculty of Medicine, Sohag University Hospital, Egypt.