Biomarkers: CEA, RAS and Circulating Free DNA

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In this Taboo-ty Podcast episode, Dr. Rona Yaeger from Memorial Sloan Kettering Cancer Center discusses biomarkers and how they affect colon cancer and rectal cancer patients. She talks about:

  • CEA: What it is, what if it's going up, and how it's used in conjunction with imaging tests.
  • Genetic biomarkers: Genetic changes within the tumor. Rather than something we inherited in all our cells, something inside the tumor cells that have allowed them and going. For example, the gene called RAS.
  • Circulating-Free DNA: Analyze DNA shed from cells to check for alterations and check for the presence of cancer.

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