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Fig. 1 | Radiation Oncology

Fig. 1

From: Combined effect of dose gradient and rotational error on prescribed dose coverage for single isocenter multiple brain metastases in frameless stereotactic radiotherapy

Fig. 1

Two example plan cases of r2.5D110 and 2° rotated 3Dr5D150. a A plan case in which the distance from the isocenter to targets (iso-radius) is 2.5 cm with a nominal 110% maximum dose allowed inside the target. No rotation. b Three-dimensionally 2° rotated case with 5-cm iso-radius with 150% maximum dose inside the target

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