Of those diagnosed with colorectal cancer, around 70-80% of cases have no specific cause or family history and are considered sporadic. Therefore, it is critical for everyone to begin colonoscopy screenings at age 50, to catch cancer before it can start… Hereditary cancer syndromes can increase a personal risk to almost 100% in some cases, so identifying individuals that may have hereditary syndromes is critical so that cancer occurrences can be prevented with additional screenings, surgeries, or treatments.

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