This study assesses colorectal neoplasia yields at screening colonoscopy in adults aged 45 to 49 years vs 50 to 54 years in a large US health system after the US Preventive Services Task Force (USPSTF) began recommending that average-risk adults begin colorectal cancer screening at age 45 years.

中文翻译：

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降低结肠癌筛查年龄后 45 至 49 岁成年人的筛查结肠镜检查率

在美国预防服务工作组 （USPSTF） 开始建议平均风险成年人在 45 岁开始筛查结直肠癌筛查后，本研究评估了 45 至 49 岁成人结肠镜检查时的结直肠瘤发病率，而美国大型卫生系统则为 50 至 54 岁。