Abstract
Cancer continues to exact a significant toll worldwide, with the cancer burden expected to grow.1 Encouragingly, routine screening can detect many cancers at an early stage, when treatment is most likely to improve survival. For some cancers, precancerous abnormalities detected in screening can be promptly removed before becoming malignant, thus preventing disease.2 Despite the benefit of screening, the uptake of cancer screening tests is less than optimal. Proposed US Healthy People 2020 objectives include increasing the proportion of adults who participate in cervical, colon and breast cancer screening, and increasing the proportion of men who discuss prostate cancer screening with their healthcare provider.3
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