MedlinePlus - What are tumor marker tests? These tests look for tumor markers, sometimes called cancer markers, in the blood, urine, or body tissues. Tumor markers are substances made by cancer cells
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Tumor Markers in Blood Underpins Future Bowel Cancer Screening - molecular-diagnostics - Labmedica.com
![The Innovation | Medicine on Twitter: "Commonly used Tumor Markers A tumor marker is a biomarker found in blood, urine, or body tissues that can be elevated by the presence of one The Innovation | Medicine on Twitter: "Commonly used Tumor Markers A tumor marker is a biomarker found in blood, urine, or body tissues that can be elevated by the presence of one](https://pbs.twimg.com/media/FdDwvxeXgAMJJDi.jpg)