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. 2016 Dec 29;11(12):e0168916. doi: 10.1371/journal.pone.0168916

Fig 8. The Calculation of displacement vector fields (DVFs) allows a propagation of the CTV contours from planning image to daily control images.

Fig 8

Left: The arrows (green) represent an exemplary DVF of the transformation between a planning CT image and a control CT image. The CTV contour (blue) was propagated to fCTV of the fraction (red). Right: the fCTV of patient #19 propagated to all control CT images are displayed on the planning CT image.