90% of anal cancer cases each year in the UK are linked to major lifestyle and other risk factors.
Anal cancer risk is associated with a number of risk factors.[2,3]
Anal Cancer Risk Factors
|Increases risk||Decreases risk|
|'Sufficient' or 'convincing' evidence||
|'Limited' or 'probable' evidence||
International Agency for Research on Cancer (IARC) classification. World Cancer Research Fund/American Institute for Cancer Research (WCRF/AICR) classification does not include anal cancer because it is not generally recognised to have a relationship to food, nutrition, and physical activity.
- Parkin DM. Cancers attributable to infection in the UK in 2010. Br J Cancer 2011;105(S2):S49-S56.
- International Agency for Research on Cancer. List of Classifications by cancer sites with sufficient or limited evidence in humans, Volumes 1 to 116*. Accessed October 2016.
- World Cancer Research Fund / American Institute for Cancer Research. Continuous Update Project Findings & Reports. Accessed October 2016.