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Sampling sites of the six bronchial biopsies attempted in each subject
| Biopsy | Sampling site | Bronchial level | Generationof bronchi |
|---|---|---|---|
| I | Middle lobe | Lobar | 3rd |
| II | Middle lobe | Lobar | 3rd |
| III | Upper lobe | Segmental | 4th |
| IV | Apical lower lobe (right or left B6) | Segmental | 4th |
| V | Apical lower lobe (right or left B6) | Segmental | 4th |
| VI | Basal pyramid of lower lobe | Subsegmental | 5th |
