Figure 5From: The influence of MRI scan position on patients with oropharyngeal cancer undergoing radical radiotherapyPTV RT and the dose distributions optimized for PTV C (left) and optimized for PTV D (right). PTVRT: PTV delineated on the CT registered with the MRI scan in the radiotherapy position; PTVC: PTV delineated using the CT with the diagnostic MRI scan viewed on a separate console; PTVD: PTV delineated on the CT registered with the diagnostic MRI scan.Back to article page