Comparison of Chartis phenotype with fissure analysis in 85 patients with available high-resolution computed tomography scans, corresponding to a total of 139 lobes
| Fissures | CV+ | CV– | CP | Unknown |
| Incomplete | 20 | 7 | 13 | 7 |
| Complete | 9 | 47 | 30 | 6 |
CV+: positive collateral ventilation phenotype; CV–: negative collateral ventilation phenotype; CP: collapse phenomenon phenotype.