Increased colon cancer risk extends to second- and third-degree relatives

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Having second- or third-degree relatives with colorectal cancer significantly increases the risk of developing the disease, found a study in Cancer Epidemiology. Early screening may be beneficial beyond the existing practice of colonoscopies for first-degree relatives.” – MedicalBrief (30 September 2021)

“Individuals are at a 2.6-fold higher risk of colorectal cancer at any age if they have a first-degree relative with early-onset colon cancer. The risk is 1.96 and 1.3 times greater for second- and third-degree relatives, respectively.”
Early colonoscopy screening – before age 50 – is recommended for first-, second- and third-degree relatives of someone diagnosed with early-onset of colon cancer

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