1. Department of Oncology, Changzhou Tumor Hospital, Changzhou, China.
2. Department of Pathology, Changzhou Tumor Hospital, Changzhou, China.
3. Department of Radiotherapy, Changzhou Tumor Hospital, Changzhou, China.
4. Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai, China.
5. Department of Oncology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China.