Table 2.
Baseline characteristics of 216 GGN-like lung cancers
| Characteristics | Numbers (%) |
|---|---|
| Nodule size (mm), mean ± SD | 13.2 ± 4.8 |
| Nodule size | |
| ≥ 8, ≤ 10 mm | 42 (19.4) |
| > 10, ≤ 20 mm | 159 (73.6) |
| > 20, ≤ 30 mm | 15 (6.9) |
| Nodule density | |
| Pure GGN | 78 (36.1) |
| Mixed GGN | 138 (63.9) |
| Location of GGNs | |
| Left upper lobe | 69 (31.9) |
| Left down lobe | 47 (21.8) |
| Right upper lobe | 62 (28.7) |
| Right middle lobe | 10 (4.6) |
| Right down lobe | 28 (13.0) |
| GGNs location vs VATS location | |
| Ipsilateral thorax | 66 (30.6) |
| Same lobe | 30 (13.9) |
| Different lobe | 36 (16.7) |
| Contralateral thorax | 150 (69.4) |
| Patterns of GGNs change | |
| Residual nodules | 184 (85.2) |
| No growth | 30 (13.9) |
| Growth | 154 (71.3) |
| New nodules | 32 (14.8) |
| Histology at MWA, n (%) | |
| AIS | 17 (7.9) |
| MIA | 133 (61.6) |
| IAC | 66 (30.6) |
| Follow-up after VATS (month), M (P25, P75) | 58.5 (46.8, 73.4) |
| Follow-up after MWA (month), M (P25, P75) | 33.8 (27.8, 41.5) |
GGN ground glass nodules, SD standard deviation, VATS video-assisted thoracoscopic surgery, MWA microwave ablation, AIS Adenocarcinoma in situ, MIA minimally invasive adenocarcinoma, IAC invasive adenocarcinoma, M median, P25 percent 25, P75 percent 75