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Linear correlations between total plasma cfDNA and clinical parameters. (A) The linear correlation between ALB and total plasma cfDNA (P=0.0042, R=−0.41); (B) the correlation between prothrombin time and total plasma cfDNA (P=0.015, R=0.35); (C) the linear correlation between tumor diameter and total plasma cfDNA (P=0.0002, R=0.51). cfDNA, circulating cell-free DNA; ALB, albumin.
