ALDH1	aldheyde dehydrogenase 1
BRAF	serine/threonine-protein kinase B-Raf gene
CD45	cluster of differentiation 45
CEA	carcinoembryonic antigen
cfNAs	circulating free nucleic acids
CK	cytokeratins
CONCORD-3	global surveillance of trends in cancer survival, 2000–2014
cfDNA	cell-free circulating deoxyribonucleic acid
CRC	colorectal cancer
CTC	circulating tumor cells
ctDNA	circulating tumor deoxyribonucleic acid
DTC	disseminated tumor cells
EpCAM	epithelial cell adhesion molecule
FDG-PET	fluorodeoxyglucose-positron emission tomography
KRAS	c-K-ras protein gene
MPR5	multidrug resistance related protein 5
MRI	magnetic resonance imaging
OS	overall survival
PBMCs	peripheral blood mononuclear cells
PIK3CA	phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha gene
PI3K	phosphatidylinositol 3-kinase
PFS	progression-free survival
TGF-β	transforming growth factor β