Research Article

Risk-Adaptive Volumetric Modulated Arc Therapy Using Biological Objective Functions for Subvolume Boosting in Radiotherapy

Table 1

Biological objective functions and parameters.

ROIObjectiveDosemγ

PTVNTCP950.11
PTV-HTCP84.58
PTV-RTCP64.58
RectumNTCP76.90.13
RectumNTCP55.90.15
NormalNTCP550.13