| Parameter | 5-year survival (%) | 95% CI (%) | 10-year survival (%) | 95% CI (%) |
|---|---|---|---|---|
| Interval | ||||
| Less than 1.5 years | 89 | [43–98] | 89 | [43–98] |
| 1.5 to 2.5 years | 95 | [83–99] | 90 | [75–96] |
| 2.5 to 3.5 years | 94 | [77–98] | 90 | [72–97] |
| Over 3.5 years | 92 | [57–99] | 92 | [57–99] |
| Stage a | ||||
| I | 98 | [84–99.7] | 93 | [79–98] |
| II | 97 | [80–99.6] | 94 | [78–98] |
| III | 82 | [55–94] | 82 | [55–94] |