Studying Tumor Tissue Samples From Patients With Melanoma Who Have Undergone Sentinel Lymph Node Biopsy
Conditions
Interventions
- GENETIC: gene expression analysis
- GENETIC: mutation analysis
- OTHER: diagnostic laboratory biomarker analysis
- OTHER: immunohistochemistry staining method
- PROCEDURE: sentinel lymph node biopsy
Sponsor
Leeds Cancer Centre at St. James's University Hospital