Abstract:Despite our modern perioperative therapies, many patients with gastrointestinal cancer relapse after surgery. Novel strategies to identify and treat patients at high risk of relapse are needed to improve cancer outcomes. Circulating tumour DNA (ctDNA) is a promising, non-invasive biomarker with the potential to identify the earliest signs of cancer relapse. The presence of tumourspecific DNA in the blood in the absence of visualized tumour is suggestive of minimal residual disease and forebodes measurable rela… Show more
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