Table 2. Evaluation results between transaxial CT images and the reconstructed CT images of pulmonary arteries involvement.
| No. | Pulmonary artery | Pulmonary artery transaxial CT image evaluation | Pulmonary artery reconstructed CT image evaluation | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grade 0 | Grade 1 | Grade 2 | Grade 3 | Grade4 | Underestimated bronchi | Overestimated bronchi | Grade 0 | Grade 1 | Grade 2 | Grade3 | Grade4 | Underestimated bronchi | Overestimated bronchi | |||
| Case 1 | LPA, LA1+2, LA3, LA | LA | – | LPA | – | LA1+2, LA3 | – | LA3 | LA | – | LPA | LA3 | LA1+2 | – | – | |
| Case 2 | LPA, LA1+2, LA3, LA | LA | – | – | LPA, LA1+2, LA3 | – | – | – | LA | – | – | LPA, LA1+2, LA3 | – | – | – | |
| Case 3 | LPA, LA1+2, LA3, LA | LA | – | LPA | LA1+2, LA3 | – | LPA | – | LA | – | LPA | LA1+2, LA3 | – | LPA | – | |
| Case 4 | LPA, LA1+2, LA3, LA | LA | – | – | LPA | LA1+2, LA3 | – | – | LA | – | – | LPA | LA1+2, LA3 | – | – | |
| Case 5 | LPA, LA1+2, LA3, LA | – | LA | – | LPA, LA3 | LA1+2 | LA | LA1+2 | – | – | – | LPA, LA, LA3 | LA1+2 | – | LA1+2 | |
| Case 6 | LPA, LA1+2, LA3, LA | LA | – | – | LPA, LA1+2, LA3 | – | – | LPA, LA3 | LA | – | LPA, LA3 | LA1+2 | – | – | – | |
| Case 7 | LPA, LA1+2, LA3, LA | LA | – | – | LPA, LA3 | LA1+2 | – | – | LA | – | – | LPA, LA3 | LA1+2 | – | – | |
| Case 8 | LPA, LA1+2, LA3, LA | LA | – | LPA, LA3 | LA1+2 | – | LPA, LA3 | – | LA | LA3 | – | LPA, LA1+2 | – | LA | – | |
| Case 9 | RPA, RA1, RA2, RA3 | – | RPA | – | RA1, RA2 | RA3 | RPA | RA3 | – | – | RPA | RA1, RA2, RA3 | – | RPA | – | |
| Case 10 | LPA, LA1+2, LA3, LA | – | LA3 | – | LPA, LA | LA1+2 | LA3 | – | – | – | – | LPA, LA, LA3, | LA1+2 | – | – | |
| Total | 40 | 7 | 3 | 4 | 18 | 8 | 6 | 5 | 7 | 1 | 5 | 21 | 6 | 3 | 1 | |
LPA, left pulmonary artery; LA1+2, apicoposterior segmental pulmonary artery of left upper lobe; LA3, anterior segmental pulmonary artery of left upper lobe; LA, lingular pulmonary artery of left upper lobe; RPA, right pulmonary artery; RA1, apical segmental pulmonary artery of right upper lobe; RA2, posterior segmental pulmonary artery of right upper lobe; RA3, anterior segmental pulmonary artery of left upper lobe.