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Developed Mortality Risk Score to Predict 90-day Postoperative Mortality After Liver Resection for Perihilar Cholangiocarcinoma
| Risk factor | Points |
|---|---|
| Age, y | |
| <50 | 0 |
| 50-59 | 1 |
| 60-69 | 2 |
| 70-79 | 3 |
| ≥80 | 4 |
| Preoperative cholangitis | 2 |
| FLR below 30% | 1 |
| Incomplete drainage + FLR below 50% | 1 |
| Portal vein reconstruction | 1 |
FLR, future liver remnant
