Table 1. Characters of VAL-MAP.
| Characteristics | Group | Detail | Number |
|---|---|---|---|
| Sex | Male | – | 35 |
| Female | – | 43 | |
| Age (year) | Median | – | 69 |
| Range | – | 34–83 | |
| Preoperative biopsy | Bronchoscopy | – | 8 |
| Others | – | 0 | |
| None | Reject | 29 | |
| Our judged | 41 | ||
| Mappings | Total | – | 268 |
| Average (/target) | – | 3.4 | |
| Success rate (%) | – | 90.7 | |
| Failure | Sprayed on central side | 17 | |
| Charcoal powder deposition | 5 | ||
| Unknown reasons | 1 | ||
| Complication | Pneumothorax | – | 4 |
| Alveolar hemorrhage | – | 1 | |
| Maximum diameter (mm) | Median | – | 8.0 |
| Range | – | 2.0–55.0 | |
| Distance of the surface (mm) | Median | – | 5.5 |
| Range | – | 0–43.0 | |
| CT findings | Solid or nodular | – | 38 |
| Mixed GGO | – | 18 | |
| Pure GGO | – | 56 | |
| Operative procedure | Wedge resection | – | 29 |
| A number of wedge resections | – | 11 | |
| Segmentectomy | – | 15 | |
| A number of segmentectomies | – | 2 | |
| Lobectomy after wedge resection | – | 7 | |
| Lobectomy and wedge resection | – | 6 | |
| Lobectomy and segmentectomy | – | 4 | |
| Pathology | Lung cancer | Adenocarcinoma | 65 |
| Squamous cell carcinoma | 3 | ||
| AAH | – | 12 | |
| Metastatic tumor | – | 12 | |
| Benign | – | 20 |
VAL-MAP, virtual-assisted lung mapping; GGO, ground-glass opacity; AAH, atypical adenomatous hyperplasia.