News for Healthier Living

DNA Shed by Colon Cancers May Help Personalize Postsurgical Treatment

Circulating tumor DNA (ctDNA) -- genetic material shed from tumors into the bloodstream -- may help risk-stratify patients with Stage 3 colon cancer by tailoring chemotherapy options after surgery based on risk of cancer recurrence, according to new research co-led by investigators at the Johns Hopkins Kimmel Cancer Center.

October 20, 2025


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