Table 2. Proposed operation and the incidence of insufficient anatomical margin.
| Proposed operation | N | Insufficient margin (%) | MPR-based margin (cm)→Software-based margin (cm), Final surgical procedure | |
|---|---|---|---|---|
| Right | S1 | 4 | 2 (50%) | 1.5→1.3, Wide wedge resection 1.7→1.1, Upper lobectomy |
| S2 | 3 | 1 (33%) | 1.7→1.0, S2+S1a resection | |
| S3 | 3 | 1 (33%) | 1.6→1.1, Wide wedge resection | |
| S6 | 1 | 0 (0%) | ||
| S7 | 0 | 0 (0%) | ||
| S8 | 3 | 1 (33%) | 1.3→0.9, S6b+S8a+S9a resection | |
| S9 | 3 | 0 (0%) | ||
| S10 | 2 | 0 (0%) | ||
| Left | S1+2 | 4 | 0 (0%) | |
| S3 | 4 | 2 (50%) | 1.8→1.0, S3+S1+2 resection 2.0→1.2, upper lobectomy* |
|
| S4 | 3 | 1 (33%) | 1.6→1.0, S3ab+S4+S5 resection | |
| S5 | 0 | 0 (0%) | ||
| S6 | 1 | 0 (0%) | ||
| S8 | 1 | 0 (0%) | ||
| S9 | 1 | 0 (0%) | ||
| S10 | 0 | 0 (0%) | ||
| Total | 33 | 8 (24%) | ||
*
Converted from S1+2+S3a resection to lobectomy due to insufficient surgical margin. MPR: multi-planar reconstruction