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Colorectal cancer screening age lowered in Ontario. Experts say it could help address ‘growing number’ of cases in young people
Doctors can order fecal immunochemical tests for people ages 45 to 49, and officials expect a modest rise in abnormal results.
On July 1, Ontario will lower its colorectal cancer screening age from 50 to 45, according to new Cancer Care Ontario guidelines citing a "notable" increase in younger adults diagnosed with the disease.
The Ontario Ministry of Health stated the changes reflect expert panel guidance and modelling showing earlier screening reduces disease mortality, building on the province's move two years ago to lower breast cancer screening from 50 to 40.
Individuals with a relative diagnosed under 60 will now start screening at 40, while those with one relative diagnosed at 60 or older will use a fecal immunochemical test every two years starting at 45.
Colorectal Cancer Canada CEO Barry Stein called the move a "huge step forward," urging other provinces to follow Prince Edward Island, The United States, and Australia, which have also lowered screening ages to 45.
Health providers should expect a "modest increase" in abnormal test results as screening expands, with invitation letters sent in a "phased manner" and completed FIT kits now accepted at Rexall locations.