Most countries recommend that women receive breast cancer screening every 2 years between ages 50 and 69 years.1 In 2009 and 2016, the US Preventive Services Task Force (USPSTF) updated its recommendations to advise that women receive screening mammography every 2 years between ages 50 and 74 years, with the decision to begin screening earlier (ie, ages 40-49 years) based on individual evaluation of risks and benefits.2 The updated USPSTF recommendations acknowledged the risk of overdiagnosis and the lack of reduction in all-cause mortality associated with screening that starts at any age.2 In 2015, the American Cancer Society recommended annual screening between ages 45 and 55 years, with screening every 1 to 2 years thereafter.3
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Patel NS, Lee M, Marti JL. Assessment of Screening Mammography Recommendations by Breast Cancer Centers in the US. JAMA Intern Med. 2021;181(5):717–719. doi:10.1001/jamainternmed.2021.0157
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