A treatment planning study comparing tomotherapy, volumetric modulated arc therapy, Sliding Window and proton therapy for low-risk prostate carcinoma

Table 1 Organ at risk dose objectives

Organ	Dose	Volume (in % or in ccm as absolute volume for femoral heads)
Rectum [14]	10Gy	–^a
	30Gy	<60 %
	50Gy	<50 %
	60Gy	<35 %
	65Gy	<25 %
	70Gy	<20 %
	75Gy	<15 %
Urinary bladder [15]	10Gy	–^a
	30Gy	–^a
	50Gy	<60 %
	65Gy	<50 %
	70Gy	<35 %
	75Gy	<25 %
Femoral heads [13]	50Gy	<5 %
Femoral heads [13]	40Gy	≤1ccm

ISSN: 1748-717X