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Fig. 1 | Radiation Oncology

Fig. 1

From: REPeated mAgnetic resonance Image-guided stereotactic body Radiotherapy (MRIg-reSBRT) for oligometastatic patients: REPAIR, a mono-institutional retrospective study

Fig. 1

Classification of MRg-re-SBRT Type

Rectangle lines are the 2 Gy’s isodoses of the first SBRT course (Iso2Gy I; blue line) and the re-SBRT (Iso2Gy-re; red line), representing field of both treatments. Circle lines are the 50% isodoses (light blue and orange contour) of dose prescription. The Ovlp2Gy volume (yellow volume) is made by the intersection of Iso2Gy I (blue line) and Iso2Gy-re (red line) within the Liver. Instead, the Ovlp50% (pink volume) created by the intersection of the 50% isodoses of first SBRT courses, the Iso50%I (blue line) and re-SBRT, Iso50%-re (orange line) within the Liver. Figure 1a: MRg-re SBRT Type 1A. Overlap between the Iso2Gy and the Iso2Gy-re. Figure 1b: MRg-re SBRT Type 1B. Overlap between the Iso50%I and the Iso50%-re. Figure 1c: MRg-re SBRT Type 2. No geometrical overlap

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Radiation Oncology

ISSN: 1748-717X

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