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Fig. 2 | Radiation Oncology

Fig. 2

From: Retrospective dosimetry study of intensity-modulated radiation therapy for nasopharyngeal carcinoma: measurement-guided dose reconstruction and analysis

Fig. 2

Examples of two reviewed cases. The left one (a) had a high global GP (%) of 99.2% with a low dose region inside the target area (in blue color) yielded a poor PTVnx-specific GP (%) of 85.7%. The right one (b) had lower global GP (%) of 90.4% but 100% PTVnx-specific GP (%) and an increasing dose region in the lower neck (in red color). The gamma pass rate for all the cases was calculated using the 3 mm/3% criterion

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