Table 1:
Patient and tumour characteristics (n = 143)
| Age (years) | mean 64.0 (43–82) |
| Gender | |
| Male | 62 (43.4%) |
| Female | 81 (56.6%) |
| Tumour size (cm) | mean 0.8 (0.3–1.0) |
| Location | |
| Right | 78 (54.5%) |
| Upper lobe | 49 (34.2%) |
| Middle lobe | 14 (9.8%) |
| Lower lobe | 15 (10.5%) |
| Left | 65 (45.5%) |
| Upper lobe | 27 (18.9%) |
| Lower lobe | 38 (26.6%) |
| Histology | |
| Ad | 127 (88.8%) |
| Sq | 7 (4.9%) |
| Others | 9 (6.3%) |
| Sm | 6 (4.2%) |
| Pl | 2 (1.4%) |
| AdSq | 1 (0.7%) |
| pStage | |
| pIA (pT1aN0) | 136 (95.1%) |
| pIIA (pT1aN1) | 4 (2.8%) |
| pIIIA (pT1aN2) | 3 (2.1%) |
Ad: adenocarcinoma; Sq: squamous cell carcinoma; Sm: small-cell carcinoma; Pl: pleomorphic carcinoma; AdSq: adenosquamous carcinoma.