Table 2.

Summary of the major studies in the literature reporting the utility of radiofrequency ablation in patients with breast cancer metastases to the liver

Authors (year)	Patients, n	Tumour size, cm, mean	Tumours per patient, n	Follow-up, months, median	Overall survival, %
Meloni et al. (2009)5	52	2.5	<5	19	27% (5-year)
Jakobs et al. (2009)6	43	2.1	≤5	37	38% (5-year)
Gunabushanam et al. (2007)15	14	1.9	≤3	19	64% (1-year)
Carrafiello et al. (2011)16	13	3.5	≤3	13a	11 monthsa
Sofocleous et al. (2007)17	12	–	≤3	22.5	30% (5-year)
Lawes et al. (2006)18	19	3	<7	15	42% (2.5-year)
Sakamoto et al. (2005)19	34	4	–	72	21% (5-year)

^aShows mean value, not median.