1. Department of Thoracic Surgery, Shanghai Pulmonary Hospital Tongji University School of Medicine Shanghai China
2. Department of Colorectal and Anal Surgery, Xinhua Hospital Shanghai Jiao Tong University School of Medicine Shanghai China
3. Department of Pathology, Shanghai Pulmonary Hospital Tongji University School of Medicine Shanghai China
4. Department of Thoracic Surgery East China Sanatorium Wuxi China