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Molecular subgroups according to locations melanomas.
| Arising from skin without chronic sun damage | 50% BRAF 20% NRAS |
0% KIT |
| Arising from skin with chronic sun damage | 10% BRAF 10% NRAS |
2% KIT |
| Arising from mucosal surfaces | 5% BRAF 15% NRAS |
20% KIT |
| Arising from acral surfaces | 15% BRAF 15% NRAS |
15% KIT |
| Uveal melanoma | 25% GNAQ | 55% GNA11 |
