Table 1.
Characteristics of patients
| Characteristics | No. |
|---|---|
| Colorectal cancer patients | 72 |
| Gender | |
| Female | 29 |
| Male | 43 |
| Age | |
| Median | 69 |
| Range | 41–83 |
| Tumor localization | |
| Colon | 53 |
| Rectum | 19 |
| Tumor stage (Duke’s classification) | |
| A | 1 |
| B1 | 4 |
| B2 | 23 |
| C1 | 19 |
| C2 | 4 |
| D | 21 |
| Depth of tumor invasion (T factor) | |
| T1 | 1 |
| T2 | 4 |
| T3 | 54 |
| T4 | 13 |
| Lymph node metastases (N factor) | |
| N0 | 30 |
| N1 | 23 |
| N2 | 9 |
| N3 | 10 |
| Distant metastases (M factor) | |
| M0 | 51 |
| M1 | 21 |
| Survival of patients (n = 50) | |
| Alive | 42 |
| Died of cancer | 8 |
| Resectability of tumor | |
| Resectable | 68 |
| Nonresectable | 4 |