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| Characteristic/Pathologic diagnosis | Number (%) |
|---|---|
| Malignant | 40 (72.7) |
| Adenocarcinoma | 26 (47.3) |
| Squamous cell carcinoma | 7 (12.7) |
| Large cell carcinoma | 1 (1.8) |
| Small cell carcinoma | 5 (9.1) |
| Carcinosarcoma | 1 (1.8) |
| Benign | 15 (27.3) |
| Organizing pneumonia | 5 (9.1) |
| Fibrosis | 3 (5.5) |
| Hamartoma | 2 (3.6) |
| Inflammatory pseudotumor | 2 (3.6) |
| Granuloma | 2 (3.6) |
| Lung abscess | 1 (1.8) |
