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Clinical Features of LC Patients.
| Features | (N) | Percentage |
| Age(year) | ||
| <50 | 18 | 60% |
| >50 | 12 | 40% |
| Sex | ||
| Male | 22 | 73.3% |
| Female | 8 | 26.7% |
| Lymph node metastasis | ||
| Yes | 17 | 56.7% |
| TNM stage group | ||
| <lll | 20 | 66.7% |
| ≥lll | 10 | 33.3% |
| Histology | ||
| Squamous | 27 | 90% |
| Adenocarcinoma | 3 | 10% |
| Histological grade | ||
| Wel/moderate | 25 | 83.3% |
| Poor | 5 | 16.7% |
