Table 1.

Characteristics of patients with hepatic colorectal metastases

Total cases	326
Median age (range)	54 (32-84)
Male/Female (cases)	243/83
No. of tumors (cases)
1	125 (38.3%)
2	105 (32.2%)
3	65 (19.9%)
More	31 (9.5%)
Tumor size (cases)
< 3 cm	95 (29.1%)
3-5 cm	124 (38.0%)
> 5 cm	107 (32.8%)
Development of metastases
Synchronous (cases)	65 (19.9%)
Metachronous (cases)	261 (80.1%)
Colorectomy to detection of metastases (mo)	12 (0-42)
Metastases detected to cryosurgery (mo)	4 (1-14)
Colorectomy to cryosurgery (mo)	16 (3-52)
Precryosurgery chemotherapy(cases)	216 (66.3%)
Precryosurgery CEA (mg/dL)	11.2 (0.3-1422)