Table 6.

Studies on ablation therapy for liver metastasis from various types of primary tumors

Author	Publication year	Type of primary tumor	Type of ablation	No. of patients	Size of tumors [mm]	Follow-up [months]	Local tumor control [%]	Overall survival [months]	Overall survival [%]
									1-year	2-year	3-year	4-year	5-year
Wu et al. [42]	2022	Ovarian Cancer	RFA	30	–	–	–	39 (median)	93.3	80	53.3	–	–
Zhao et al. [41]	2020	NSCLC	RFA/MWA	21	24.4 (mean)	36.4 (median)	85.7	27.7 (median)	–	–	–	–	–
Bale et al. [39]	2016	Malignant melanoma	RFA	20	17 (median)	–	86.7	19.3 (median)	64	–	41	–	17
Jin et al. [40]	2012	Nasopharyngeal	RFA	50	–	–	48	14.8 (mean)	56	14	2	–	–
			RFA + CX	44	–	–	63.6	30.6 (mean)	91	61	36	–	–

RFA radiofrequency ablation, MWA microwave ablation