1 Center of Pathology and Clinical Laboratory, Sir Run Run Hospital, Nanjing Medical University Nanjing 211100, Jiangsu Province, China.
2 Department of General Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School Nanjing 210008, Jiangsu Province, China.
3 Department of Gastroenterologz, The Affiliated Drum Tower Hospital of Nanjing University Medical School Nanjing 210008, Jiangsu Province, China.
4 Cancer Institute of Integrated Traditional Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province Hangzhou 310012, Zhejiang Province, China.