Fig. 10
![Fig. 10](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40658-022-00447-1/MediaObjects/40658_2022_447_Fig10_HTML.png)
a–c Axial, sagittal, and coronal views of the CT-based dose distribution \({\text{DD}}_{{{\text{CT}}}}\) in R06 overlaid on an axial CT [-100 to 200 HU]. d–f Axial, sagittal, and coronal views of the PET-based dose distribution \({\text{DD}}_{{{\text{PET}}}}\) in R06 overlaid on an axial CT [− 100 to 200 HU]