TABLE 1.

Fast‐Forward trial dose constraints.

PTV coverage	More than 95% of PTV	95% of prescribed dose
	Less than 5% of PTV	105% or more
	Less than 2% of PTV	107% or more
	Global maximum dose to PTV	<110%
Critical organs
Ipsilateral lung	Receiving 8 Gy	< 15%
Volume of heart	Receiving 1.5 and 7 Gy	< 30% and 5%

Note: Prescription was 26 Gy in five fractions in 1 week.