Table 1 Anatomical types and proportions of bronchus in the right middle lobe of the 541 patients
Bronchial branch type of the right middle lobe | NO. | % |
|---|---|---|
Two-branched type | ||
B4,B5 | 508 | 93.9 |
B4a, B4b + B5 | 18 | 3.3 |
B5b, B5a + B4 | 3 | 0.6 |
B5a, B5b + B4 | 1 | 0.2 |
Three-branched type | ||
B4a、B4b、B5a + 5b | 5 | 0.9 |
B4a、B5a、B4b + 5b | 5 | 0.9 |
B5a、B5b、B4a + 4b | 1 | 0.2 |