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Figure 4 | Radiation Oncology

Figure 4

From: Preliminary comp arison of helical tomotherapy and mixed beams of unmodulated electrons and intensity modulated radiation therapy for treating superficial cancers of the parotid gland and nasal cavity

Figure 4

Transverse view of the dose distribution taken through the PTV (shown in red colorwash) (a) and DVHs (b) for the mixed beam (1:4 IMRT-electron weighting) of patient 3 where the electron dose has been calculated with the pencil beam redefinition algorithm (PBRA). The mixed beam plan calculated with the PBRA showed negligible differences compared with the original plan, which was calculated using the electron PBA. Abbreviations: PTV = planning target volume; L. = left.

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Radiation Oncology

ISSN: 1748-717X

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