Table 1: General characteristics of the 50 patients meeting inclusion criteria
| Percentage | |
| Gender | Male: 54% Female: 46% |
| Age | 62.3 (11.3) |
| Comorbidities | No: 70% Yes: 30% |
| Family history of cancer | No: 74% Yes: 26% |
| Personal history of cancer | No: 82% Yes: 18% |
| Location of primary tumor | Rectosigmoid: 66% Other: 44% |
| T stage of primary | T1: 2% T2: 10% T3: 80% T4: 8% |
| N stage of primary | N0: 50% N1: 30% N2: 20% |
| Data are expressed either as percentages or mean (SD), as indicated | |