This file contains the digital vector boundaries for Cancer Alliances and National Cancer Vanguards in England as at February 2017. The boundaries available are: Full resolution - extent of the realm (usually this is the Mean Low Water mark but in some cases boundaries extend beyond this to include off shore islands); Full resolution - clipped to the coastline (Mean High Water mark); Generalised (20m) - clipped to the coastline (Mean High Water mark); Super generalised (200m) - clipped to the coastline (Mean High Water mark) and Ultra generalised (500m) - clipped to the coastline (Mean High Water mark). Contains both Ordnance Survey and ONS Intellectual Property Rights.  Download File SizesFull resolution - extent of the realm (11 MB)Full resolution - clipped to the coastline (16 MB)Generalised (20m) - clipped to the coastline (1 MB)Super generalised (200m) - clipped to the coastline (255 KB)Ultra generalised (500m) - clipped to the coastline (74 KB).REST URL of ArcGIS for INSPIRE View Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Health_Boundaries/Cancer_Alliances_and_National_Cancer_Vanguards_February_2017_Boundaries/MapServer/exts/InspireView  REST URL of ArcGIS for INSPIRE Feature Download Service - https://ons-inspire.esriuk.com/arcgis/rest/services/Health_Boundaries/Cancer_Alliances_and_National_Cancer_Vanguards_February_2017_Boundaries/MapServer/exts/InspireFeatureDownloadREST URL of ArcGIS Feature Service - https://ons-inspire.esriuk.com/arcgis/rest/services/Health_Boundaries/Cancer_Alliances_and_National_Cancer_Vanguards_February_2017_Boundaries/FeatureServer