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HRCT: high resolution computed tomography.
| Findings | Chest X-ray N (%) | HRCT N (%) |
| Normal | 14 (7.1%) | 3 (1.5%) |
| Air space disease | 102 (51.5%) | 88 (44.4%) |
| Interstitial pattern | 22(11.1%) | 33 (16.7%) |
| Cavity | 3 (1.5%) | 9 (4.5%) |
| Mass | 11 (5.6%) | 18 (9.1%) |
| Mediastinal lymph node | 9 (4.5%) | 9 (4.5%) |
| Other | 37 (18.7%) | 38 (19.2%) |
