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Clinicopathological characteristics of patients (n=48).
| Characteristic | No. of patients |
|---|---|
| Age, yearsa | 59.3±7.6 |
| Gender | |
| Male | 33 |
| Female | 15 |
| Histology | |
| SCC | 23 |
| ADC | 25 |
| Differentiation | |
| Well | 40 |
| Poor | 8 |
| Tumor stage | |
| I | 17 |
| II | 17 |
| III | 14 |
| Lymph node metastasis | |
| No | 30 |
| Yes | 18 |
Data are presented as mean ± standard deviation. SCC, squamous cell carcinoma; ADC, adenocarcinoma.
