Table 1 Clinical characteristics
| Gender | |
| Male/female, (n/n, %/%) | 142 (66.0)/73 (34.0) |
| Age (years) | |
| Median (range) | 60 (17–86) |
| KPS | |
| Median (range) | 80 (40–100) |
| Tumor side | |
| Left/right (n/n, %/%) | 117 (54.4)/98 (46.6) |
| Tumor location | |
| Lobar/deepa/multifocal (n/n/n, %/%/%) | 139 (64.7)/20 (9.3)/56 (26.0) |
| Surgical treatment | |
| GTR (n, %) | 63 (29.3%) |
| STR (n, %) | 37 (17.2%) |
| Biopsy (n, %) | 115 (53.5%) |