| 分期 | 总例数 | 5年生存率% |
| I | 1875 | 90.3 |
| II | 1461 | 74.2 |
| IIA | 953 | 78.4 |
| IIB | 338 | 69.6 |
| IIC | 171 | 59.6 |
| III | 547 | 59.1 |
| IIIA | 127 | 92.5 |
| IIIB | 296 | 59.6 |
| IIIC | 124 | 22.9 |
| IV | 1293 | 35.1 |
| IVA | 316 | 66.9 |
| IVB | 184 | 27.1 |
| IVC | 793 | 24.4 |