Table 7.
TNM staging.
| Frequency (%) | |
|---|---|
| Tumor staging | |
| T4a | 71 (76.3%) |
| T3 | 19 (20.4%) |
| T4b | 2 (2.2%) |
| T2 | 1 (1.1%) |
| Lymph node involvement | |
| N2a | 38 (40.9%) |
| N2b | 27 (29.0%) |
| N1 | 22 (23.7%) |
| N3 | 3 (3.2%) |
| N2c | 2 (2.2%) |
| Metastasis | |
| M0 | 93 (100%) |
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