The value of preoperative sentinel lymph node contrast-enhanced ultrasound for breast cancer: A large, multicenter trial

The study conducted a multicenter study in China to explore the learning curve of contrast-enhanced ultrasound (CEUS) for sentinel lymph nodes (SLNs), the feasibility of using this technique for the localization of SLNs and lymphatic channels (LCs) and its diagnostic performance for lymph node metastasis.