Assessing the impact of lowering the colorectal cancer screening age to 45 years

In May, 2018, the American Cancer Society (ACS) updated its colorectal cancer screening guidelines. The most important and controversial change was the qualified recommendation to begin screening at 45 years for individuals at average risk of colorectal cancer. 1 Wolf AMD Fontham ETH Church TR et al. Colorectal cancer screening for average-risk adults: 2018 guideline update from the American Cancer Society. CA Cancer J Clin. 2018; (published...