| Right main bronchus |
7 (4.2) |
| Right upper lobar bronchus (RUL) |
80 (47.9) |
| Right bronchus intermedius (RBI) |
22 (13.2) |
| Right middle lobar bronchus (RML) |
90 (53.9) |
| Right lower lobar bronchus (RLL) |
|
| Superior segmental bronchus (RB6) |
20 (12.0) |
| Basal segmental bronchi of RLL |
16 (9.6) |
| Left main bronchus |
3 (1.8) |
| Left upper lobar bronchus (LUL) |
|
| Left upper lobe upper division |
68 (40.7) |
| Left upper lobe lingular division |
26 (15.6) |
| Left lower lobar bronchus (LLL) |
|
| Superior segmental bronchus (LB6) |
25 (15.0) |
| Basal segmental bronchi of LLL |
16 (35.5) |
| Multiple involvement |
142 (85.0) |
| Bilateral involvement |
123 (73.7) |
