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Characteristic of patients
| Variable | Patients |
|---|---|
| Number of cases | 20 |
| Sex | |
| Male/Female | 15/5 |
| Age at diagnosis (mean) | 58.9 |
| Clinical pathology features | |
| TNM stage | |
| I | 3 |
| II | 5 |
| III | 12 |
| Lymph node metastasis | |
| Negative | 5 |
| Positive | 15 |
| Histologic grade | |
| Well | 4 |
| Poor | 16 |
