Table 2.
Cross table of the 6th edition by the 7th edition American Joint Committee on Cancer (AJCC) Tumor Node Metastasis (TNM) staging system with patient distribution and stage-specific survival
| 6th Edition | OS according to 7th edition | ||||||
|---|---|---|---|---|---|---|---|
| 0 | I | IIA | IIB | III | IVa | ||
| 7th edition | |||||||
| 0 | 78 | 0 | 0 | 0 | 0 | 0 | 56.2 (33.2–79.2) |
| IA | 0 | 5 | 0 | 0 | 0 | 0 | 26.8 (13.0–71.5) |
| IB | 0 | 0 | 41 | 0 | 0 | 0 | 44.5 (22.3–66.7) |
| IIA | 0 | 0 | 52 | 0 | 0 | 0 | 21.7 (12.5–31.0) |
| IIB | 0 | 0 | 17 | 0 | 0 | 0 | 28.8 (17.5–40.1) |
| IIIA | 0 | 0 | 0 | 4 | 9 | 15 | 18.8 (12.8–25.0) |
| IIIB | 0 | 0 | 0 | 0 | 3 | 4 | 14.5 (14.1–15.0) |
| IIIC | 0 | 0 | 0 | 3 | 33 | 14 | 12.6 (11.2–13.9) |
| OS according to 6th edition | 56.2 (33.2–79.2) | 26.8 (13–71.5) | 31.7 (21.6–41.9) | 23.4 (11.4–35.4) | 14.3 (11.5–17.2) | 14.5 (11.5–17.5) | |
OS, overall survival.