Table 2.

Patient Characteristics (N = 9)

Characteristics	N
Gender
Female	3
Male	6
Mean age (range)	67.3 (55–80)
ECOG performance status
0	9
Mean longest tumor diameter (mm; range)	48.0 (15–78)
Number of liver metastases, Median (range)	11 (5–15)
n≦5	1
5 < n≦10	3
10≦n	5
Presence of extrahepatic metastases
no	4
yes	5
Mean serum CEA level	342.4 (range, 6.3–1505.5)

ECOG Eastern Cooperative Oncology Group