A member asked:

Are the people with family history/genetic factors the only ones who have colon cancer in their lower twenties?

A doctor has provided 1 answer
Dr. Eric Chevlen answered

Specializes in Internal Medicine - Oncology

No: The prevalence of identifiable genetic risk factors much higher among young people who get colon cancer. However, not all such young people have identifiable genetic risk factors. It's likely that many genetic abnormalities leading to cancer have not yet been discovered.

Answered 3/5/2015

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