95% CI	95% Confidence interval
CEA	Carcinoembryonic antigen
CLM	Colorectal cancer liver metastases
CRC	Colorectal cancer
CTC	Circulating tumor cells
cfDNA	Circulating cell-free deoxyribonucleic acid
ctDNA	Circulating cell-free tumor deoxyribonucleic acid
ddPCR	Droplet digital polymerase chain reaction
DFS	Disease-free survival
DMFS	Distant metastasis free survival
DNA	Deoxyribonucleic acid
EGFR	Epidermal growth factor receptor
FFPE	Formalin-fixed, paraffin-embedded
FPR	False positive rate
HR	Hazard ratio
IUCC	International union against cancer
KRAS	Kirsten rat sarcoma viral oncogene homolog
mAb	Monoclonal antibody
miRNA	Micro-ribonucleic acid
NRAS	Neuroblastoma RAS viral oncogene homolog
OS	Overall survival
PCR	Polymerase chain reaction
pFA	Plasma KRAS fractional abundance
pKRAS-	Plasma KRAS negativity
pKRAS+	Plasma KRAS positivity
RECIST	Response evaluation criteria in solid tumors
RFA	Radiofrequency ablation
tFA	Tissue KRAS fractional abundance
tKRAS+	Tissue KRAS positivity
TNM	Tumor, node, metastases