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(A) shows the HRCTV contoured by a radiation oncologist in an actual plan. (B) shows the 100% prescription dose line in an actual plan. (C) shows the optimized HRCTV contour based on the correction method. In KDE method, we assume (A) matches with (B) perfectly. In this case, the optimized HRCTV has a better similarity with the 100% prescription dose line.
