Table 1. Patient and nodule characteristics.
| Characteristics | Value (%) |
|---|---|
| Patient characteristics | |
| Sex | |
| Male | 27 (27.8) |
| Female | 70 (72.2) |
| Age | 55.0±9.9 |
| Nodule size | 9.6±5.0 |
| Nodule type | |
| Solid | 14 (14.3) |
| Part solid GGO | 11 (11.2) |
| GGO | 73 (74.5) |
| Nodule to pleural distance | 11.1±6.6 |
| <10 mm | 41 (41.8) |
| 10-20 mm | 48 (49.0) |
| >20 mm | 9 (9.2) |
| Nodule location | |
| Right upper lobe (RUL) | 30 (30.6) |
| Right middle lobe (RML) | 8 (8.2) |
| Right lower lobe (RLL) | 16 (16.3) |
| Left upper lobe (LUL) | 27 (27.6) |
| Left lower lobe (LLL) | 17 (17.3) |
| Final pathology | |
| Begin | 12 (12.2) |
| AAH | 9 (9.2) |
| AIS | 33 (33.7) |
| MIA | 15 (15.3) |
| Invasive adenocarcinoma | 27 (27.6) |
| Metastasis | 2 (2.0) |
| Operation data | |
| Procedure | |
| Sublobar | 57 (58.8) |
| Lobectomy after histological confirmation | 30 (30.9) |
| Lobectomy | 10 (10.3) |
| Margin status | |
| Negative | 98 (100.0) |
| Positive | 0 |
| Intraoperative localization | |
| Visual inspection | 66 (67.3) |
| Palpation of microcoil | 14 (14.3) |
| Palpation of nodule | 15 (15.3) |
| Dislocation of microcoil | 3 (3.1) |
| Fluoroscopic guidance | 6 (6.1) |
GGO, ground-glass opacity; AAH, atypical adenomatous hyperplasia; AIS, adenocarcinoma in situ; MIA, minimally invasive adenocarcinoma.