Appendix 3 - Defining geographies

Geographies were defined according to the borders defined on 1July 2022.

Geographic variation in treatment was analysed at the Cancer Alliance level according to borders defined in 2022.

Cancer Alliances are geographic areas that bring together clinicians and managers from different hospital trusts and other health and social care organisations with the aim of coordinating the diagnosis and treatment of cancer patients in the local area. A map of these Cancer Alliances is shown in Figure 20 below.

Figure 20 Map of Cancer Alliances in England, as defined by NHS England in 2022. Image source: NHS England

1. Cheshire and Merseyside
2. East Midlands
3. East of England North
4. East of England South
5. Greater Manchester
6. Humber and North Yorkshire
7. Kent and Medway
8. Lancashire and South Cumbria
9. North Central London
10. North East London
11. North West and South West London
12. Northern
13. Peninsula
14. Somerset, Wiltshire, Avon and Gloucestershire
15. South East London
16. South Yorkshire and Bassetlaw
17. Surrey and Sussex
18. Thames Valley
19. Wessex
20. West Midlands
21. West Yorkshire and Harrogate

The Cancer Alliance for each tumour was assigned according to the main residence of the patient on the date of diagnosis.