Table 5. Most cases were diagnosed in the locally advanced stage (stages III-IVB).
| Stage | TNM | No. of cases |
| I | T1N0 | 1 |
| II | T1N1 | 2 |
| T2N0 | 0 | |
| T2N1 | 6 | |
| III | T1N2 | 1 |
| T2N2 | 9 | |
| T3N0 | 2 | |
| T3N1 | 1 | |
| T3N2 | 5 | |
| IVA | T4N0 | 3 |
| T4N1 | 5 | |
| T4N2 | 5 | |
| IVB | TanyN3 | 6 |
| IVC | TanyNanyM1 | 3 |
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