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Fig. 3 | Radiation Oncology

Fig. 3

From: Comparison of carina-based versus bony anatomy-based registration for setup verification in esophageal cancer radiotherapy

Fig. 3

Example of inadequate target coverage after registration. Overlay of the pCT (purple) and CBCT (green) in XVI for patient 20, registered on the bony anatomy (left column) and the carina (right column). In axial (first row) and coronal view (second row). A = anterior, R = right, and F = inferior. Red contour = PTV, blue contour = CTV

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