Table 1.
Patient characteristics
| Median age (range), years | 80 (45–94) |
| Gender, no. (%) | |
| Female | 18 (54.5) |
| Male | 15 (45.5) |
| T stage primary tumor, no. (%) | |
| 0 | 0 (0) |
| 1 | 0 (0) |
| 2 | 2 (6.1) |
| 3 | 21 (63.6) |
| 4 | 10 (30.3) |
| N stage primary tumor, no. (%) | |
| 0 | 20 (60.6) |
| 1 | 11 (30.3) |
| 2 | 2 (6.1) |
| M stage primary tumor, no. (%) | |
| n.a. | 33 (100) |
| Localization primary tumor, no. (%) | |
| Caecum | 5 (15.2) |
| Left colon | 3 (9.1) |
| Rectum | 1 (3.0) |
| Right colon | 13 (39.4) |
| Sigmoid | 8 (24.2) |
| Transverse | 2 (6.1) |
| Upper rectum | 1 (3.0) |
| Microsatellite status, no. (%) | |
| MSS | 25 (75.8) |
| MSI | 8 (24.2) |