Circulating Cell-Free Tumor DNA: A Potential Breakthrough for Early Cancer Detection and Treatment
Cancer begins with genetic changes inside cells that cause them to grow and divide uncontrollably. As tumors grow, cells are continuously dying off and releasing DNA into the bloodstream. This circulating cell-free DNA (cfDNA) contains genetic mutations from the original tumor. Recent advances have enabled the detection and analysis of this circulating tumor DNA (ctDNA) and opened up new...
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