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  • Tests and Procedures Used to Diagnose Cancer - NCI
    Lab tests used to diagnose cancer High or low levels of certain substances in your body can be a sign of cancer So lab tests of your blood, urine, and other body fluids that measure these substances can help doctors make a diagnosis However, abnormal lab results are not a sure sign of cancer
  • What Cancer Screening Tests Check for Cancer? - NCI
    Several cancer screening tests are considered effective and recommended by expert groups Breast cancer screening Screening mammography has been shown to reduce deaths from breast cancer among women ages 40 to 74, especially those ages 50 to 69
  • Cancer Screening Overview - NCI
    Cancer screening means looking for cancer before symptoms appear, when cancer may be easier to treat Screening tests can help reduce the risk of dying from some cancers, but all tests have potential risks, too Learn more about cancer screening and available tests in this expert-reviewed summary
  • Genetic Testing Fact Sheet - NCI - National Cancer Institute
    Genetic testing can give several possible results: positive, negative, true negative, uninformative negative, or variant of uncertain significance (VUS) Positive result A positive test result means that the laboratory found a genetic change that is associated with an increased cancer risk Such harmful genetic changes are called pathogenic or likely pathogenic variants
  • Cancer Screening - NCI
    Cancer screening is checking for cancer in people who don't have symptoms Screening tests can help doctors find and treat several types of cancer early, but cancer screening can have harms as well as benefits
  • Biomarker Testing for Cancer Treatment - NCI - National Cancer Institute
    For example, people with cancer that has certain genetic changes in the EGFR gene can get treatments that target those changes, called EGFR inhibitors In this case, biomarker testing can find out whether someone’s cancer has an EGFR gene change that can be treated with an EGFR inhibitor Biomarker testing could also help you find a study of a new cancer treatment (a clinical trial) that you
  • BRCA Gene Changes: Cancer Risk and Genetic Testing
    No effective ovarian cancer screening methods are known In the past, some doctors recommended transvaginal ultrasound and blood tests for the CA-125 antigen (which can be present at higher-than-normal levels in women with ovarian cancer) for ovarian cancer screening in women with harmful changes in BRCA1 or BRCA2
  • Cancer Genetics Risk Assessment and Counseling (PDQ®)
    Cancer genetics risk assessment and genetic counseling includes family history, psychosocial assessments, and education on hereditary cancer syndromes, testing, and risk Get more information including the ethical, legal, and social implications of genetic testing in this summary for clinicians
  • Bladder Cancer Screening - NCI
    False-positive test results Screening test results may appear to be abnormal even though no cancer is present A false-positive test result (one that shows there is cancer when there isn't) can cause anxiety and is usually followed by more tests (such as cystoscopy or other invasive procedures), which also have risks False-positive results often occur with hematuria testing; blood in the
  • The Genetics of Cancer - NCI - National Cancer Institute
    Cancer can also run in a family if family members have a combination of many genetic variants that each have a very small cancer risk Should I get genetic testing for cancer risk? Certain genetic tests can show if you’ve inherited a genetic change that increases your risk of cancer This testing is usually done with a small sample of blood





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