Table VI.
Characteristics of non-resected metachronous lung metastases according to the time period.
| Variable | 1990–1999 (n=35) | 2000–2009 (n=88) | P-value |
|---|---|---|---|
| DFI (days) (mean ± SD) | 776±676 | 533±465 | 0.06 |
| Number (single, multiple) | 7:26 | 20:66 | 1.00 |
| Laterality (ipsilateral, bilateral) | 8:25 | 35:53 | 0.17 |
| Maximum size (mm) (mean ± SD) | 17.7±15.0 | 9.8±7.9 | 0.01 |
| Serum CEA level (normal, elevatedb) | 5:26 | 23:60 | 0.30 |
| Other organ metastases (absent, present) | 13:22 | 19:69 | 0.08 |
DFI, disease free interval; CEA, carcinoembryonic antigen.
a
Excludes cases in which data were not available;
b
>5ng/ml.