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Comparison of the CTV and OAR DVH differences. Figure A, C and E show the percentage dose difference of D98 and D95 for the CTV. Figure B, D and F show the absolute dose difference between various DVH metrics for the OARs. 1 asterisk signifies p < 0.05, while 2 asterisks signify p < 0.01. The red line represents zero difference. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
