1. Cancer institute, Department of Chemotherapy, Affiliated People’s Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
2. Department of Cardiothoracic Surgery, Affiliated People’s Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
3. Department of Respirology, Affiliated People’s Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
4. Department of Thoracic Surgery, Zhongshan Hospital of Fudan University, Shanghai, China
5. Department of Gastroenterology, Affiliated People’s Hospital of Jiangsu University, Zhenjiang, Jiangsu, China