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Composite pheochromocytoma/paraganglioma prognostic score (COPPS). Abbreviations: SDHB, succinate dehydrogenase complex subunit B.
| Parameters | Score |
|---|---|
| Focal or confluent necrosis | 5 |
| PS100 loss | 2 |
| Vascular invasion | 1 |
| SDHB loss | 1 |
| Tumor size > 7 cm | 1 |
| Total maximum | 10 |
