1. Department of Thoracic Surgery, Suzhou Xiangcheng People’s Hospital, Suzhou, Jiangsu, China
2. Department of Oncology, The Second Affiliated Hospital of Soochow University, Suzhou 215004, China
3. Department of Gynaecology and Obstetrics, The Second Affiliated Hospital of Soochow University, Suzhou 215004, China
4. Department of Ultrasound, The Second Affiliated Hospital of Soochow University, Suzhou 215004, China
5. Department of Pathology, Suzhou Municipal Hospital affiliated to Nanjing Medical University, Suzhou 215008, People’s Republic of China