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Screening and Testing
Information about methods of cancer detection including new imaging technologies, tumor markers, and biopsy procedures.
Colorectal Cancer (PDQ®): Screening
     [ patient ] [ health professional ]
Expert-reviewed information summary about tests used to detect or screen for colorectal cancer.

Colorectal Cancer Screening: Questions and Answers
This fact sheet discusses the advantages and disadvantages of several colorectal cancer screening tests.

Study Suggests Physicians Overperform Surveillance Colonoscopies
Physicians appear to be performing surveillance colonoscopies at frequencies higher than those recommended by evidence-based medical guidelines, according to results of a survey conducted by the National Cancer Institute (NCI), part of the National Institutes of Health.

National Cancer Institute Trial Yields New Data on Colon Cancer Screening Test
New data from the Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial give fresh insight into the appropriate screening intervals for colorectal cancer after a negative exam.

HHS Urges Colorectal Cancer Screening to Save Lives
HHS Secretary Tommy G. Thompson today affirmed the value of colorectal cancer screening and encouraged Americans age 50 or older to get screened.

U.S. Preventive Services Task Force Urges Colorectal Cancer Screening for All Americans 50 and Older
The U.S. Preventive Services Task Force, in its strongest ever recommendation for colorectal cancer screening, today urged that all adults age 50 and over get screened for the disease.

Interpreting Laboratory Test Results
A fact sheet that describes the role of screening and diagnostic laboratory tests and includes a brief discussion of factors affecting these results.

Tumor Markers
A fact sheet that lists examples of tumor markers in the blood and describes how they can be used to aid diagnosis and treatment.
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