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Survival of the patients after pulmonary metastasectomy according to disease-free interval (DFI) using the Kaplan-Meier method and log-rank test
| Primary site | Number (n = 56) | 3-year survival (%) | 5-year survival (%) | p value |
|---|---|---|---|---|
| < 1 year | 18 | 77.03 | 71.12 | 0.632 |
| 1–2 years | 6 | 83.33 | 66.66 | |
| > 2 years | 32 | 83.85 | 79.19 |
