18F-FDG	[18F]-fluoro-2-deoxy-D-glucose
AmCORE	Amsterdam Colorectal Liver Met Registry
ASA	American Society of Anesthesiologists score
BMI	Body mass index
COLLISION	Colorectal Liver Metastases: Surgery vs. Thermal Ablation
Ce	Contrast-enhancement
CI	Confidence interval
CRC	Colorectal cancer
CRLM	Colorectal liver metastases
CT	Computed tomography
CTCAE	Common Terminology Criteria for Adverse Events
DPFS	Distant progression-free survival
HR	Hazard ratio
IRE	Irreversible electroporation
IQR	Interquartile range
LTP	Local tumor progression
LTPFS	Local tumor progression-free survival
MRI	Magnetic resonance imaging
MWA	Microwave ablation
OS	Overall survival
PET	Positron emission tomography
RCT	Randomized controlled trial
RFA	Radiofrequency ablation
SBRT	Stereotactic body radiation therapy
SD	Standard deviation
STROBE	Strengthening the Reporting of Observational studies in Epidemiology