Retrospective Evaluation of the Impact of Dose Escalation Using Pre-operative Simultaneous Integrated Boost Volumetric Modulated Arc Therapy on the Outcome of Locally Advanced Rectal Cancer Patients. - Elashwah A; Alsuhaibani A; Abduljabbar A; Alsanea N; Alhomoud S; Ashari L; Bazarbashi S; Aljubran A; Alzahrani A; Awad A; Almanea H; Alhussini H; et al. (Journal of gastrointestinal cancer, 2023)