Table Screening Procedures in Average-Risk * Asymptomatic People as Recommended by the American Cancer Society (ACS), US Preventive Services Task Force (USPSTF), and American College of Physicians (ACP) † Type of Cancer Procedure Frequency Breast cancer Mammography ACS: Recommended at the following ages: 40 to 44: Optional 45 to 54: Yearly ≥ 55: Every 1 to 2 years, continued as long as women are expected to live ≥ 10 years USPSTF: Every 2 years for women ages 50 to 74 ACP: Recommended at the following ages: 40 to 49: Optional, after discussing potential benefits and harms (but for most women, harms outweigh benefits) 50 to 74: Every 2 years ≥ 75 or women with a life expectancy of 10 years or less: Discontinue screening Cervical cancer Papanicolaou (Pap) test and / or human papillomavirus (HPV) test ACS: Recommended at the following ages: < 25: No screening tests 25 - 65: HPV test alone every 5 years or Pap test plus HPV test every 5 years or Pap test every 3 years > 65: No testing if previous testing was done and results were normal USPSTF: Recommended at the following ages: 21 to 29: Cervical cytology alone every 3 years 30 to 65: Cervical cytology alone every 3 years or human papillomavirus (HPV) testing alone or combined with cytology (co-testing) every 5 years.