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Take The Cancer Assessment & Discover How The CA Profile Test Can Help You Discover A Better Way To Evaluate Cancer Levels & Metastasis




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  • The CA 15-3 assay value, regardless of level, should not be interpreted as absolute evidence for the presence or absence of malignant disease. The CA 15-3 assay value should be used in conjunction with information available from clinical evaluation and diagnostic procedure.
  • The CA 15-3 test is only useful when it is positive. Often it is not.
  • Methodology: immunochemiluminometric assay (ICMA) References Hayes DF, Zurawski VR Jr, and Kufe DW, "Comparison of Circulating CA 15-3 and Carcinoembryonic Antigen Levels in Patients With Breast Cancer, J Clin Oncol, 1986, 4(10):1542-50.
  • Normal Range is 7.5 – 53.0 U/mL.
  • Values obtained with different assay methods should not be used interchangeably.


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