<qa>  What is the name of the study that will be open at the Winthrop P. RockThis will be a non-blinded, non-randomized study to further our knowledge of and experience with lymph node surgery. The investigators are interested in documenting and reporting the variations in leg lymphatic drainage sentinel lymph node biopsy SLNB with inguinal-femoral lymph node dissection IFLND. The study will be open at the Winthrop P. Rockefeller Cancer Institute at The University of Arkansas for Medical Sciences UAMS. Dr. Pamela Stone, Dr.Alexander Burnett, and Dr. Juan Roman will be responsible for accruing subjects to this study. It will be open to all patients presenting to the Winthrop P. Rockefeller Cancer Institute with vulvar cancer requiring lymph node evaluation for the ipsilateral andor contralateral groin who have not had prior groin surgery or radiation to the groins. Patients must meet inclusion and exclusion criteria to be enrolled. 