Institution: | 1. Department of Gastroenterology, Affiliated Hospital of Nantong University, , Nantong, 226001 P.R., China;2. Department of Radiochemotherapy, Affiliated Hospital of Nantong University, , Nantong, 226001 P.R., China;3. Department of Pathology, Affiliated Cancer Hospital of Nantong University, Medical College of Nantong University, , Nantong, 226001 P.R., China;4. Department of Immunology, Medical College, Nantong University, , Nantong, 226001 P.R., China |