Prospective, Multi-Center Observational Registry of Melanoma CP-GEP and Clinical Outcomes

Melanoma patients 65 years of age and older who were tested with the Merlin CP-GEP and obtained a valid result.

Inclusion Criteria:

• Newly diagnosed invasive malignant melanoma of the skin (AJCC 8th edition staging guidelines).
• pT1-pT4 cN0M0
• Male or female, age ≥65 years.
• Merlin CP-GEP testing performed, and a valid result obtained.
• Ability to provide informed consent, or availability of a legally authorized representative when permitted by applicable law and institutional policy.

Exclusion Criteria:

• Documented clinically apparent nodal metastases at diagnosis.
• Distant metastatic disease (M1a, M1b, M1c, or M1d) clinically present at primary diagnosis.
• Documented history of another (prior or concurrent) primary invasive melanoma of T1a or greater at any site in their lifetime.
• Previous surgery or radiation therapy to the draining lymph node basin(s) of the current primary melanoma.
• Ocular, vulvar, perianal, or mucosal melanomas, or melanocytic tumors of uncertain malignant potential (MELTUMP) or atypical Spitz tumors.