Stage

Total dose

Number of fractions

Objective response rate (ORR)

Complete response rate (CRR)

Time to progression

IB-II

Kamstrup et al. 2008 [22] [23]

4 Gy

4

80%

2%

2.7 months

Lindholm et al. [23]

4 Gy

100%

10%

IB-IV (T2-T4)

Kamstrup et al. 2012 [23] [24]

10 Gy

1Gy per week in 4 fractions

90%

70%

4.2 months

Harrison et al. 2011 [21]

5 - <10 Gy

90%

16%