Study goals were met with smaller that expected study cohort. Last patient completed the study June 201

The EXPAND Registry Study follows patients with cutaneous melanoma who have had the DecisionDx-Melanoma gene expression assay performed as part of their clinical care. Data will be collected through review of medical records from clinical visits with physician.

The purpose is to document the clinical application of results obtained from the DecisionDx- Melanoma multi-gene assay and to track outcomes of patients for whom DecisionDx-Melanoma testing has been completed. Additionally the study will assess the health economic impact of DecisionDx-Melanoma testing as it relates to the Melanoma population.

Inclusion Criteria:

• Patients diagnosed with melanoma and determined, by their physician, to be appropriate for DecisionDx-Melanoma testing and who have successful results available to the investigator are eligible for registration
• Patients enrolled should be reasonably able to follow-up with the enrolling physician at regular intervals for assessment of outcome data.
• 16 Years and older

Exclusion Criteria:

• Less than 16 Years of age

Patients with cutaneous melanoma for whom DecisionDx-Melanoma testing is to be clinically performed.