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| Lesion type | Category | Number | Percentage |
| Benign lesions | Tuberculosis | 3 | 30.0% |
| Pneumonitis | 2 | 20.0% | |
| Abscess | 5 | 50.0% | |
| Total benign | 10 | 100% | |
| Malignant lesions | Primary | 40 | 93.7% |
| Secondary (metastasis) | 2 | 6.3% | |
| Total malignant | 42 | 100% |
