Figure 1From: The frequency of re-planning and its variability dependent on the modification of the re-planning criteria and IGRT correction strategy in head and neck IMRTVariation of DVH parameters over treatment course: DVH parameters are shown for both CTVs (pCTV: magenta, tCTV: red) and the spinal cord (blue) in patient #6 for the IGRT strategy RIR_box_large over the treatment course. All values are normalized to the corresponding planned values.Back to article page