Table 1.

Planning dose constraints for FASTR-2 and FASTR

Volume	Dose constraint
	FASTR-2	FASTR9
PTV prostate and seminal vesicle	D95 = 35 Gy	D95 = 40 Gy
	D5 = 33 Gy	D5 = 42 Gy
	Dmax = 38 Gy	Dmax = 43 Gy
PTV nodes		D95 = 25 Gy
		D5 = 28 Gy
		Dmax = 41 Gy (within 1 cm of high dose volume)
		Dmax = 28 Gy (outside 1 cm of high dose volume)
Bladder	V26 ≤ 50%	V29 ≤ 50%
	V31 ≤ 30%	V35 ≤ 30%
Rectum	V20 ≤ 60%	V27 ≤ 50%
	V24 ≤ 50%	V35 ≤ 20%
	V32 ≤ 10%
	V35 ≤ 2 mL
Small bowel	V27.5 ≤ 2 mL	V27.5 ≤ 2 mL
	V25 ≤ 190 mL	V25 ≤ 190 mL