Department of Vascular surgery;
First Affiliated Hospital of Jiamusi University;
Department of Vascular Surgery;
Shandong Provincial Qianfoshan Hospital;
Shandong University;
Department of Medical Oncology;
Xuzhou Central Hospital;
The Affiliated Xuzhou Hospital of Medical College of Southeast University;
Department of Surgery;
Tianjin Second People's Hospital;
Department of Breast Surgery;
Xuzhou Central Hospital;
The Affiliated Xuzhou Hospital of Medical College of Southeast University;
Gallbladder; carcinoma; Lymph; node; N0; stage; Prognostic; factor;