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Fig. 9 | Radiation Oncology

Fig. 9

From: Precise film dosimetry for stereotactic radiosurgery and stereotactic body radiotherapy quality assurance using Gafchromic™ EBT3 films

Fig. 9

The upper row: a the spine and lung phantom from IROC for single ISO multiple target irradiation for NRG BR001 and BR002 protocol; b Planned axial dose distribution at central level of 6XFFF Hard C-Shape plan using VMAT technique on the acrylic phantom; The middle row: (c-d) Planned and measured dose distribution in the axial plane; e The dose profile comparison along the oblique line across both spine and lung targets shown in (c); f film gamma analysis results with 3 %/1 mm criteria (99.4 % of pixels passed within region of interest shown in (c); The lower row: The same comparisons in the coronal view. The film gamma pass rate with 3 %/1 mm criteria was 98.9 %

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