1. Department of Peritoneal Cancer Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
2. Department of Peritoneal Cancer Surgery, Beijing Shijitan Hospital, Peking University Ninth School of Clinical Medicine, Beijing, China
3. Department of Surgical Oncology, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
4. Department of Pathology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China