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- FIGURE 33.4-21. Color wash displays of the dose distribution of a
- 6-field coplanar prostate 3D-CRT plan with 15 MV x-rays. The planned
- treatment consists of one pair of lateral and two pairs of oblique
- fields. The dose distribution is shown on axial, sagittal, and coronal
- CT reconstructions of the prostate and surrounding normal tissue at
- the midplan of the PTV. The boundaries of the PTV are shown in yellow
- dots. The red region represents the prescription isodose distribution,
- and the yellow region corresponds to approximately 70% to 80%, green
- to 45% to 70%, and blue to 45% or less of the prescription dose.
-