Table 2.

Failure of local control

Primary tumour site	Stereotactic body radiotherapy treatment site	Previous irradiation
Gynaecological-uterine carcinosarcoma	PA node	No
H + N	Neck node	Yes
Lung	Spine	Yes
H + N	Nasopharynx	Yes
Melanoma	Spine	Yes
H + N	Skull base	Yes
Gynaecological-cervix	Pre-sacral mass	Yes
Colorectal/anal	PA node	No

H + N, head and neck; PA, para-aortic.