Fig. 3From: Intradermal microbubbles and contrast-enhanced ultrasound (CEUS) is a feasible approach for sentinel lymph node identification in early-stage breast cancerDifferent types of enhancing patterns; double arrows and circles direct lymph nodes; single arrows direct lymph vessels. a Type I enhancement; SLN was obviously and homogeneously enhanced. b Type II enhancement; the enhancement was obvious not homogeneous. c Type III enhancement; SLN was hardly enhancedBack to article page