Affiliation: | 1. Human Cancer Genomic Research, Research Center, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia;2. Department of Surgery, Security Forces Hospital, Riyadh, Saudi Arabia;3. Department of Pathology, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia;4. Colorectal Unit, Department of Surgery, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia;5. College of Medicine, Alfaisal University, Riyadh, Saudi Arabia |