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5-year survival outcome of different stages of MCC [7].
| Percentage of all patients | 5-year overall survival | |
|---|---|---|
| Stage I and II (localized disease) | 60%–70% | 60%–80% |
| Stage III (nodal disease) | 30% | 50% |
| Stage IV (distant metastasis) | 5%–10% | 20% |
| All stages combined | 100% | 40% |
