| 5-year survivor | Non survivor | p Value | ||
| Age | <65 | 2 | 7 | 0.706 |
| ≥65 | 5 | 16 | ||
| Gender | Male | 4 | 16 | 0.879 |
| Female | 3 | 7 | ||
| Histology | Adeno | 6 | 18 | 0.914 |
| Others | 1 | 5 | ||
| pT status | pT1 | 3 | 5 | 0.536 |
| pT2-4 | 4 | 18 | ||
| pN status | pN0 | 6 | 12 | 0.252 |
| pN1-2 | 1 | 11 | ||
| CEA | Normal | 7 | 7 | 0.005 |
| High | 0 | 16 | ||
| Adjuvant therapy | Performed | 3 | 19 | 0.111 |
| Not performed | 4 | 4 |