What is the proper extent of an inguinal lymphadenectomy for early vulvar cancer?
D005260:Female; D006801:Humans; D008197:Lymph Node Excision / Q000592:standards*; D008198:Lymph Nodes / Q000473:pathology* / Q000601:surgery; D021701:Sentinel Lymph Node Biopsy; D014846:Vulvar Neoplasms / Q000473:pathology / Q000601:surgery*