High concordance in BRAF status between native-BRAF malignant melanoma and matched lymph node metastases A. Santos Briz * , E. Godoy, L. Arango, P. Antúnez, M. Yuste, C. Roman, E. Fernández, M. D. Ludena * Hospital Universitario Salamanca, Dept. de Anatomía Patológica, Spain