Table 1.
Patients’ characteristics
| Number of cases (%) | |
|---|---|
| Age (y) | |
| Median | 62 |
| Range | 33–89 |
| Gender | |
| Female | 12 (24.5) |
| Male | 37 (75.5) |
| Stoma | |
| (−) | 41 (83.7) |
| (+) | 8 (16.3) |
| Primary tumor | |
| T2 | 8 (16.3) |
| T3 | 36 (73.5) |
| T4 | 5 (10.2) |
| Regional lymph node | |
| N(−) | 29 (59.2) |
| N(+) | 20 (40.8) |
| Distant metastasis | |
| M0 | 44 (89.8) |
| M1 | 5 (10.2) |
| TNM stage1 | |
| I | 6 (12.2) |
| II | 21 (42.9) |
| III | 17 (34.7) |
| IV | 5 (10.2) |
| Tumor differentiation | |
| Well differentiated | 26 (53.1) |
| Moderately differentiated | 20 (40.8) |
| Poorly differentiated | 3 (6.1) |
TNM, tumor node metastasis; CT, computed tomography; MRI, magnetic resonance imaging.
1
Tumor staging was clinical, if available, by CT and MRI.