5-FU:	5-fluorouracil
CEA:	carcinoembryonic antigen
CLM:	colorectal liver metastases
CONSORT:	consolidated standards of reporting trials
CR:	complete response
DFS:	disease-free survival
EGFR:	epithelial growth factor receptor
HR:	hazard ratio
HS-RFS:	hepatic-specific relapse-free survival
IQR:	interquartile range
IV:	intravenous
mAb:	monoclonal antibody
N:	number
NA:	not available
NC/SD:	no change/stable disease
NE:	not evaluable
OS:	overall survival
PD:	progression of disease
PO:	per os
PO-SACT:	pre-operative systemic anticancer therapy
PR:	partial response
RAS:	rat sarcoma virus
SD:	standard deviation
UK:	unknown
VEGF:	vascular endothelial growth factor
Y:	yes