STAGE Stage I Localized primary melonoma 89-94 percent Stage II Localized recurrence within or adjacent to the scar 74-77 percent Stage III Regional metastases IIIA In-transit metastases 70-81 percent IIIB Positive regional lymph nodes 48-54 percent IIIAB In-transit metastases with regional nodes 30-45 percent Stage IV Systemic metastases, positive iliac lymph nodes 20-25 percent