论文部分内容阅读
Background Lymph node metastasis occurs in approxi-mately 10 % of early gastric cancer.Preoperative or intra-op-erative identification of lymph node metastasis in early gastric cancer is crucial for surgical planning.The purpose of this study was to evaluate the feasibility of using carbon nanoparticles to show sentinel lymph nodes (SLNs) in early gastric cancer.Methods A multicenter study was performed between July 2012 and November 2014.