1. Department of Breast Surgery, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
2. Department of Thoracic Surgery, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
3. Department of Immunology, School of Preclinical Medicine, Guangxi Medical University, Guangxi, People's Republic of China