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Prognostic score with variables independently associated with overall survival
| Characteristics | Points assigned |
| ECOG PS0 | 0 |
| ECOG PS1 | 1 |
| ECOG PS2 | 5 |
| Resected T | 0 |
| Unresected T | 2 |
| No bone metastases | 0 |
| Bone metastases | 4 |
| No ascites | 0 |
| Ascites | 4 |
| Total points | Scoring system |
| 0–1 | Good risk |
| 2–5 | Intermediate risk |
| >5 | Poor risk |
ECOG PS, Eastern Cooperative Oncology Group Performance Status; T, primary tumor.
