1. Department of Oncology, Yixing Hospital Affiliated to Medical College of Yangzhou University, Yixing, Jiangsu, China
2. Department of Oncology, The Second Affiliated Hospital of Soochow University, Soochow, Jiangsu, China
3. Institute of Combining Chinese Traditional and Western Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu, China
4. Department of General Surgery, Yixing Hospital Affiliated to Medical College of Yangzhou University, Yixing, Jiangsu, China