2. Cutaneous/acral melanoma; and have 1) only previously received systemic therapy for advanced/metastatic disease with the following therapies: BRAF and MEK inhibitors, anti PD-L1, anti PD-1, or anti-CTLA4 and 2) have received checkpoint inhibitor (anti PD-L1, anti PD-1, or anti-CTLA4) based treatment as most recent line of therapy on which disease progressed, as long as progression did not occur in the first 3 months of receiving checkpoint inhibitor treatment.