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Figure 4 | Radiation Oncology

Figure 4

From: Accelerated large volume irradiation with dynamic Jaw/Dynamic Couch Helical Tomotherapy

Figure 4

Total Marrow Irradiation: Dose distributions for Reg 2.5 (“regular” delivery with a 2.5 cm field width; upper half) and DJDC 5.0 (Dynamic Jaw/Dynamic Couch delivery with a 5.0 cm maximum field width; lower half). Note the equivalent lung sparing in both modalities (light arrowheads), which is accompanied by a more severe dose fall-off in the thoracic wall in DJDC 5.0. The dark arrowheads indicate areas of higher dose exposure in DJDC 5.0 that form the correlate for the non-significantly increased integral dose in DJDC 5.0.

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