How Early Can Cancer Be Detected Before Symptoms Appear? Study Sheds Light
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New Delhi: Genetic material shed by tumors can be detected in the bloodstream three years prior to cancer diagnosis, according to a study published in Cancer Discovery.
To determine how early cancers could be detected prior to clinical signs or symptoms, researchers assessed plasma samples that were collected for the Atherosclerosis Risk in Communities (ARIC) study. They used highly accurate and sensitive sequencing techniques to analyze blood samples from 26 participants in the ARIC study who were diagnosed with cancer within six months after sample collection, and 26 from similar participants who were not diagnosed with cancer.
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