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Pathological types of lung cancer investigated in the present study.
| Types of lung cancer | Cases, n |
|---|---|
| Squamous cell carcinoma | 64 |
| Adenocarcinoma | 35 |
| Papillary adenocarcinoma | 9 |
| Adenosquamous carcinoma | 9 |
| Small cell carcinoma | 7 |
| Pulmonary arterial carcinoma | 7 |
| Metastatic carcinoma | 2 |
| Carcinoid tumor | 1 |
| Undifferential tumor | 1 |
