Fig. 1From: Sentinel lymph node procedure in patients with recurrent vulvar squamous cell carcinoma: a proposed protocol for a multicentre observational studyFlowchart of the study design. Legend: SLN: Sentinel Lymph node, V-SCC; vulvar squamous cell cancer. USS; ultrasound scan of the groins, IFL Inguinofemoral lymphadenectomyBack to article page