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Figure 1 | Radiation Oncology

Figure 1

From: Deformable versus rigid registration of PET/CT images for radiation treatment planning of head and neck and lung cancer patients: a retrospective dosimetric comparison

Figure 1

Sagittal view of the fused PET and planning CT scans for a head and neck cancer subject. Results from the RIR (left) and DIR (center), and fused view of the RIR and DIR PET (right) are shown. The difference in the position of the GTV for the primary tumor, indicated by a white arrow, is measured to be 1.1 mm between RIR and DIR.

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