Cancer of Unknown Primary is the 15th most common cancer in the UK, accounting for 2% of all new cancer cases (2015).[1-4]
In males in the UK, cancer of unknown primary is the 14th most common cancer (2% of all new male cancer cases). In females in the UK it is the 11th most common cancer (3% of all new female cancer cases).
48% of cancer of unknown primary cases in the UK are in males, and 52% are in females.
Cancer of unknown primary incidence rates (
Cancer Of Unknown Primary (C77-C80), Number of New Cases, Crude and European Age-Standardised (AS) Incidence Rates per 100,000 Population, UK, 2015
|AS Rate - 95% LCI||15.0||18.1||15.5||9.8||15.4|
|AS Rate - 95% UCI||16.1||21.9||20.0||15.4||16.4|
|AS Rate - 95% LCI||12.5||14.2||14.7||7.6||12.9|
|AS Rate - 95% UCI||13.4||17.1||18.5||11.8||13.7|
|AS Rate - 95% LCI||13.8||16.3||15.6||9.1||14.2|
|AS Rate - 95% UCI||14.4||18.6||18.5||12.5||14.8|
For cancer of unknown primary, there are few established risk factors therefore differences between countries largely reflect differences in diagnosis and data recording.
- Data were provided by the Office for National Statistics on request, July 2017. Similar data can be found here: https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocialcare/conditionsanddiseases/bulletins/cancerregistrationstatisticsengland/previousReleases.
- Data were provided by ISD Scotland on request, August 2017. Similar data can be found here: http://www.isdscotland.org/Health-Topics/Cancer/Publications.
- Data were provided by the Welsh Cancer Intelligence and Surveillance Unit, Health Intelligence Division, Public Health Wales on request, October 2017. Similar data can be found here: http://www.wcisu.wales.nhs.uk.
- Data were provided by the Northern Ireland Cancer Registry on request, July 2017. Similar data can be found here: http://www.qub.ac.uk/research-centres/nicr/.
About this data
Data is for UK, 2015, ICD-10 C77-C80.