Affiliation: | 1. Department of Immunology, Medical College, Nantong University, Nantong, Jiangsu, People's Republic of China;2. Department of Oncology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, People's Republic of China;3. Department of Laparoscopic Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China;4. Department of Pathology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, People's Republic of China |