- Patients must have completely resected melanoma of cutaneous origin or of unknown primary in order to be eligible for this study; patients must be classified as stage IIIA (N2a), IIIB, IIIC, or stage IV melanoma; patients with non-ulcerated T1b N1a disease are not eligible; patients with melanoma of mucosal or other non-cutaneous origin are eligible; patients with melanoma of ocular origin are not eligible; patients with a history of brain metastases are ineligible