Concerning rise in colorectal cancer in <50-year-olds


  • Dawn O'Shea
  • Univadis Medical News
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Data from seven high-income countries provide further evidence of an increasing incidence of colorectal cancer in younger people.

The study, published in the Lancet Gastroenterology & Hepatology, examined colon and rectal cancer incidence data from 21 population-based cancer registries in Australia, Canada, Denmark, Norway, New Zealand, Ireland and the UK for the earliest available year until 2014.

There was an overall decline or stabilisation in the incidence of colon and rectal cancer in all studied countries. However, significant increases were noted in colon cancer incidence in people There was also a significant increase in the incidence of rectal cancer among people aged 20-29 years in Denmark. 

Increases in the incidence of colorectal cancer in people younger than 50 years were mainly driven by increases in the rate for distal tumours.

In people aged 50-74 years, the incidence of colon cancer decreased in Australia (by 1.6%), Canada (1.9%) and New Zealand (3.4%) and the incidence of rectal cancer fell in Australia (2.4%), Canada (1.2%) and the UK (1.2%).

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