Table 6.

Results of hepatic cryosurgery for colorectal metastases

Authors	No. of cases	Mode of cryo	Operative mortality (%)	Associated therapy (No. of patients)	Follow-up (mo)	Median survival (mo)	Survival (%)
							1 yr	2 yr	3 yr	5 yr
Korpan 1997[22]	63	OC	0	Resection	6-120				60	44
Wallace 1999[23]	137	OC	0	Resection	14 (1-60)	23	86	47	29
Weaver 1995[15]	47	OC	4	Chemo	26 (24-57)			62
Ruers 2001[21]	30	OC		Resection	26 (9-73)	32	76	61
Cha 2001[20]	21	OC		Resection	28 (18-51)				701
Bilchik 2001[19]	153	OC		Chemo		28
Goering 2002[18]	42	OC		Resection		45	82		55	39
Kerkar 2004[14]	982	OC			54 (9-98)	33	81	62	48	28
Jungrai Thmayr 2005	17	OC	0		23 (2-65)	21	52	36	10	5
This study 2007	326	PC	0	TACE	32 (7-62)	29	78	62	41	23

¹Thirty mo survival;

²Including 56 cases of hepatic colorectal metastases. Cryo: Cryosurgery; OC: Operative cryosurgery; PC: Percutaneous cryosurgery.