And colonoscopies miss 60% of the precancerous polyps. There's no such thing as a guarantee in healthcare.
> The skill of a doctor doing a colonoscopy is often measured by their adenoma detection rate — how often they find a precancerous polyp. American doctors find them 40% of the time.
> The skill of a doctor doing a colonoscopy is often measured by their adenoma detection rate — how often they find a precancerous polyp. American doctors find them 40% of the time.