Circulating tumor DNA and recurrence after curative-intent treatment of hepatocellular carcinoma: A systematic review and meta-analysis.
BACKGROUND Recurrence after curative-intent treatment remains common in HCC. Circulating tumor DNA (ctDNA) may provide prognostic information, but evidence is heterogeneous. METHODS We reviewed 12 cohort studies (880 patients) with HCC treated with curative intent. Associations of preoperative or postoperative ctDNA...