...108 metastatic melanoma patients enrolled...All patients received immunotherapy first line treatment...Worse PFS was observed with EGFR (HR = 8.22, p = 0.04), PTEN (HR = 1.92, p = 0.04) and non-canonical BRAF (HR = 1.77, p = 0.04) mutations....those that harbored a higher number of mutations were associated with a worse PFS...