1. Department of Oncology, People's Hospital of Huangpi District, Wuhan, Hubei 430000, P.R. China
2. Department of Forensic Medicine, Guangxi Medical University, Nanning, Guanxi 530021, P.R. China
3. Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
4. Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China