Organ sites of distant metastases and treatment for distant metastasis of 166 patients with resected stage I non-small cell lung cancer with distant metastasis
| Variables | Single organ metastasis (n=106) | Multiple organ metastases (n=60) | p Value |
| First organ site of distant metastasis, n (%) | 0.019 | ||
| Lung | 22 (20.8) | 13 (21.7) | |
| Brain | 31 (29.2) | 13 (21.7) | |
| Bone | 34 (32.1) | 23 (38.2) | |
| Liver | 14 (13.2) | 1 (1.7) | |
| Adrenal gland | 1 (0.9) | 4 (6.7) | |
| Others | 4 (3.8) | 6 (10.0) | |
| Second organ site of distant metastasis, n (%) | NS | ||
| Lung | – | 15 (25.0) | |
| Brain | – | 15 (25.0) | |
| Bone | – | 15 (25.0) | |
| Liver | – | 8 (13.3) | |
| Adrenal gland | – | 2 (3.3) | |
| Others | – | 5 (8.4) | |
| Treatment for distant metastasis, n (%) | 0.009 | ||
| None | 13 (12.3) | 1 (1.7) | |
| With surgery | 9 (8.4) | 5 (8.3) | |
| Surgery only | 6 | 2 | |
| Surgery+R/T | 2 | 1 | |
| Surgery+C/T and R/T | 1 | 2 | |
| C/T and/or R/T | 39 (36.8) | 40 (66.7) | |
| C/T only | 13 | 19 | |
| R/T only | 21 | 10 | |
| C/T and R/T | 5 | 11 | |
| Unknown | 45 (42.5) | 14 (23.3) |
C/T, chemotherapy; NS, non-significant; R/T, radiotherapy.