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The four most commonly diagnosed cancers (lung, breast, prostate and colorectal cancers) are expected to account for about 48% of all cancers diagnosed in 2025.
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It is estimated that 42% of people in Canada will be diagnosed with cancer in their lifetime
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Quebec is expected to have the highest cancer incidence rate. British Columbia is expected to have the lowest cancer incidence rate of all the provinces.
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In the early 1990s, five-year net survival for all cancers combined was only 55%, but estimates show that it has reached 64%.
In addition to the sampling issues others have mentioned, there may be some environmental issues contributing to the stats—some areas likely have higher levels of radon in the soil, and thus higher levels of radon gas exposure, for instance.