Table 1 Patient characteristics at time of accrual.
Parameter | |
|---|---|
Total Number of Patients | 35 |
Age | 59 ± 8 years |
Gender | Â |
   Male | 24 (69%) |
   Female | 11 (31%) |
Site of Primary Tumor | Â |
   Colon | 22 (63%) |
   Rectosigmoid | 7 (20%) |
   Rectum | 6 (17%) |
Previous Treatment for Primary Tumor | Â |
   Chemotherapy | 11 (31%) |
   Radiotherapy | 6 (17%) |
Initial Staging | Â |
   Stage I | 1 (3%) |
   Stage II | 4 (11%) |
   Stage III | 9 (26%) |
   Stage IV (ie: synchronous liver metastases) | 21 (60%) |
Metachronous liver metastases | 14 (40%) |
   Median disease-free interval (range) | 24 mo (4–61 mo) |
Mean Number of Liver Lesions | 2 ± 3 |
   Solitary metastasis | 21 (60%) |
   > 1 metastases | 14 (40%) |
Size of Largest Liver Lesion | 5.0 ± 2.6 cm |
   ≤ 5 cm | 21 (60%) |
   > 5 cm | 14 (40%) |
Carcinoembryogenic Antigen | 31 ± 41 ng/mL |