Table 1.
Clinicopathologic characteristics and their prognostic significance
| Variable | Patients, n | Proportion surviving, % | P-value | |
|---|---|---|---|---|
| 1 year | 3 years | |||
| Gastric carcinoma | ||||
| Lymph node metastasis | ||||
| N0–N1 | 10 | 60.1 | 48.3 | 0.11 |
| N2 | 11 | 37.4 | 12.2 | |
| Serosal invasion | ||||
| Absent | 13 | 78.6 | 44.5 | 0.315 |
| Present | 8 | 62.4 | 27.8 | |
| Hepatic metastases | ||||
| Solitary | 12 | 70.3 | 56.7 | 0.044 |
| Multiple | 9 | 29.4 | 10.1 | |
| Lobar distribution | ||||
| Unilobar | 16 | 64.3 | 50.0 | |
| Bilobar | 5 | 39.8 | 12.1 | 0.071 |
| Tumour size | ||||
| <5 cm | 14 | 81.1 | 39.4 | 0.331 |
| ≥5 cm | 7 | 50.1 | 37.5 | |
| Histologic differentiation | ||||
| Good | 8 | 80.2 | 41.6 | 0.144 |
| Moderate, poor | 13 | 67.3 | 30.0 | |
| Vascular invasion | ||||
| Absent | 13 | 75.2 | 44.1 | 0.211 |
| Present | 8 | 31.3 | 23.7 | |
| Fibrous pseudocapsule | ||||
| Present | 12 | 75.5 | 56.1 | 0.020 |
| Absent | 9 | 51.7 | 7.1 | |
| Surgery | ||||
| Timing of hepatectomy | ||||
| Synchronous | 12 | 56.8 | 28.3 | 0.115 |
| Metachronous | 9 | 68.3 | 34.9 | |
| Resection margin | ||||
| Negative | 19 | 71.1 | 35.4 | 0.002 |
| Positive | 2 | 0.0 | 0.0 | |
| Type of surgery | ||||
| Anatomic | 9 | 75.6 | 33.2 | 0.846 |
| Non-anatomic | 12 | 70.6 | 31.8 | |