Question to the Department of Health and Social Care:

To ask the Secretary of State for Health, with reference to paragraph 43 of section 1.5.1 of Stereotactic Radiosurgery and Radiotherapy Services Needs Assessment and Service Review, published by NHS England on 3 November 2014, what the evidence is that there are no significant differences between the machines delivering its treatments.

The evidence used by the Clinical Reference Group for Stereotactic Radiosurgery to form their opinions on the effective delivery of Stereotactic Radiosurgery (SRS) and

Stereotactic Radiotherapy (SRT) is referenced in their publication ‘Clinical Commissioning Policy: Stereotactic Radiosurgery / Stereotactic Radiotherapy for Cerebral Metastases’ which is attached.

The information on which providers use frames in the provision SRS and SRT is not held centrally.