Table 1.
Clinical characteristics of patients with colorectal carcinomas and colorectal liver metastases
| Factor | CRC (n = 48) | CRLM (n = 161) |
| Localization of primary tumor | ||
| Colon | 22 | 6 |
| Rectum | 26 | 8 |
| Gender | ||
| Male | 29 | 7 |
| Female | 19 | 7 |
| Age, yr2 | 63.7 (47-78) | 60.3 (41-76) |
| Hepatitis (A, B or C) | ||
| Positive | 6 | 2 |
| Negative | 42 | 12 |
| Liver cirrhosis | ||
| Positive | 1 | 0 |
| Negative | 47 | 14 |
| Adipositas | ||
| Positive | 12 | 4 |
| Negative | 36 | 10 |
| Largest tumor diameter (cm)2 | 4.6 (1.2-9.1) | 4.2 (1.5-5.5) |
| TNM stage of primary tumor | ||
| I | 8 | 1 |
| II | 15 | 2 |
| III | 15 | 10 |
| IV | 10 | 1 |
| Grading | ||
| I | 0 | 0 |
| II | 21 | 4 |
| III | 27 | 10 |
| Lymphatic permeation | ||
| Positive | 27 | 10 |
| Negative | 21 | 4 |
| Vascular invasion | ||
| Positive | 6 | 5 |
| Negative | 42 | 9 |
| Chemotherapy before operation | 0 | 2 |
| Radiotherapy before operation | 0 | 2 |
TNM: Tumor-node-metastasis; CRC: Colorectal carcinoma; CRLM: Colorectal liver metastases.
1
16 CRLM originating from 14 CC patients;
2
Median with range in parentheses.