Fig. 1From: Contrast-enhanced ultrasound-guided sentinel lymph node biopsy in early-stage breast cancer: a prospective cohort studyOperation process of identifying and locating the SLN by CEUS. A CEUS identify SLNS. B, C The hook wire locates the identified SLN. D Resected the positioned SLN along the hook wire (the red triangle indicates SLN; the black arrow indicates the hook wire)Back to article page