Table 2.
Several tumor markers and their normal levels.
| Tumor Markers | Thresholds |
|---|---|
| NSE | 12.5 mg/L |
| PSA | 4 ug/L |
| SCCA | 1.5 ug/L |
| CEA | 3 ug/L |
| CA19-9 | 37 U/L |
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