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Overall survival by baseline (BL) and early 2-week change (delta) of WB-MATV (a), CEA (b), cfDNA (c) and CTC (d). Abbreviations: WB-MATV, whole body metabolically active tumor volume; CEA, carcinoembryonic antigen; cfDNA, circulating-free DNA; CTC, circulating tumor cell. Prognostic value of liquid biomarkers.
