TABLE III.

TG-119 point dose comparisons: gpenelope vs IC.

TG-119 plans	Location	IC (Gy)	gpenelope (Gy)	Diff. (%)
AP-PA	Isocenter	1.988	1.991	0.16
Bands	Isocenter	1.422	1.426	0.31
Multitarget	Isocenter	2.085	2.058	−1.29
Multitarget	4 cm superior	1.062	1.038	−2.22
Multitarget	4 cm inferior	0.621	0.593	−4.43
C-shape	2.5 cm anterior	2.152	2.131	−0.96
C-shape	1 cm posterior	0.917	0.882	−3.77
Head and neck	Isocenter	2.215	2.265	2.26
Head and neck	5 cm posterior	0.917	0.919	0.27
Prostate	Isocenter	1.817	1.85	1.82
Prostate	4.5 cm posterior	0.372	0.374	0.62