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(A) Graph of the percentage of fractions that the PTV would cover 95% of the CTV for a range of different margins. (B) Graph of the percentage of fractions that the PTV would cover 98% of the CTV for a range of different margins. Note: Workflow B = with verification imaging shift applied; Workflow C = no verification imaging shift. Abbreviations: CTV = clinical target volume; PTV = planning target volume.
