As part of the guideline development process the NCC-C invited a specialist registrar, with the support of the GDG, to undertake a needs assessment (see Appendix ). The needs assessment aims to describe the burden of disease and current service provision for patients with ovarian cancer in England and Wales, which informed the development of the guideline. Assessment of the effectiveness of interventions is not included in the needs assessment, and was undertaken separately by researchers in the NCC-C as part of the guideline development process. The information.