Key policy priorities in summary
Bowel cancer, also known as colorectal or large bowel cancer, is a major health problem in Australia. In 2015, 15,604 new cases of bowel cancer were reported – 8573 in men and 7031 in women; in 2016, there were 5375 deaths in Australia from bowel cancer: 2936 in men and 2439 in women. Bowel cancer is the second most common cause of death from cancer and second greatest cause of cancer burden in Australians. Bowel cancer survival is lower for Indigenous than non-Indigenous Australians.
Bowel cancer is the most economically expensive cancer to treat in Australia, with the total costs estimated at $1 billion in 2013; the majority of expenditure is for hospital treatment.
Lifestyle can have a significant impact on bowel cancer risk. An Australian analysis estimated that 36% of bowel cancers diagnosed in 2010 were attributable to dietary factors and 6.5% were attributable to insufficient physical activity. Smoking was attributable for 7% (females) and 5.9% (males) of cases in Australia in 2010. Alcohol consumption was associated with 12.9% of cases in men and 4.2% in women. In total, almost half (49.8%) of all bowel cancers cases diagnosed in Australian in 2010 could be associated with a preventable risk factor.
Comprehensive information on reducing cancer risk (including bowel cancer) through lifestyle, behaviour and related public policy is available in the chapters on Tobacco control, Alcohol and cancer, and Overweight and obesity, physical activity and nutrition.
Bowel cancer is one of only three cancer types for which population-based screening is recommended as a way to reduce mortality and morbidity by finding early-stage cancers and/or precancer lesions in people without symptoms (along with breast cancer and cervical cancer). Clinical recommendations state that bowel cancer screening using immunochemical faecal occult blood test (iFOBT) should be offered once every two years for those aged between 50 and 74 years.
In 2006, the Australian Government introduced the National Bowel Cancer Screening Program (NBCSP) offering a one-off iFOBT to people turning 55 and 65. The program has since been rolled out in phases to include other age cohorts in the program. Funding to implement biennial screening of all Australians aged 50-74 by December 2019, in line with clinical recommendations, was announced in the 2014-15 federal budget.
This chapter describes the impact of bowel cancer in Australia, the policy context of bowel cancer screening in Australia is outlined in relation to the NBCSP and Cancer Council's policy priorities are summarised. Lastly, it provides information on bowel cancer prevention and screening.
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