Table 3.
The distribution according to subtype by the 8th edition of the AJCC anatomic staging system and prognostic staging system
| Anatomic stage | Prognostic stage | |||
|---|---|---|---|---|
| Number | % | Number | % | |
| I | ||||
| HR+/HER2− | 1739 | 58.5 | 1658 | 67.3 |
| HR+/HER2+ | 338 | 11.4 | 632 | 25.6 |
| HR−/HER2+ | 372 | 12.5 | 174 | 7.1 |
| HR−/HER2− | 525 | 17.6 | 0 | 0 |
| Total | 2974 | 100.0 | 2464 | 100.0 |
| II | ||||
| HR+/HER2− | 1710 | 50.5 | 1137 | 54.9 |
| HR+/HER2+ | 478 | 14.1 | 112 | 5.4 |
| HR−/HER2+ | 441 | 13.0 | 297 | 14.3 |
| HR−/HER2− | 759 | 22.4 | 526 | 25.4 |
| Total | 3388 | 100.0 | 2072 | 100.0 |
| III | ||||
| HR+/HER2− | 495 | 45.2 | 826 | 34.1 |
| HR+/HER2+ | 154 | 14.1 | 100 | 4.1 |
| HR−/HER2+ | 199 | 18.2 | 493 | 20.3 |
| HR−/HER2− | 248 | 22.5 | 1006 | 41.5 |
| Total | 1096 | 100.0 | 6961 | 100.0 |
| Anonymous | 0 | 0 | 497 | |
| Total | 7458 | 7458 | ||