Table 2 The Spatial relationship and proportion of bronchial in the right middle lobe of the 541 patients
Bronchial spatial relationships of the right middle lobe | NO. | % | |
|---|---|---|---|
B4 + B5 (external-internal) | B4a + 4b(external-internal) B5a + 5b(up-down) | 416 | 76.9 |
B4a + 4b(up-down) B5a + 5b(up-down) | 8 | 1.5 | |
B4a + 4b(external-internal) B5a + 5b(external-internal) | 8 | 1.5 | |
B4a + 4b(up-down) B5a + 5b(external-internal) | 1 | 0.2 | |
B4 + B5 (up-down) | B4a + 4b(external-internal) B5a + 5b(up-down) | 32 | 5.9 |
B4a + 4b(external-internal) B5a + 5b(external-internal) | 19 | 3.5 | |
B4a + 4b(up-down) B5a + 5b(up-down) | 1 | 0.2 | |
Three-branched type | 11 | 11 | |
other | 49 | 45 | |