Fig. 3From: The value of preoperative sentinel lymph node contrast-enhanced ultrasound for breast cancer: a large, multicenter trialSixty-six-year-old woman with invasive breast cancer. A SLN-CEUS reveals one LC (arrows) draining into one SLN (asterisk). B 2-D US reveals axillary lymph node. C Surface marks on SLN and LC made with gentian violet. D Comparisons of the surface marks on the LC and SLN made by CEUS during surgery; the LC contains blue dyeBack to article page