1. Department of Radiology, Nanjing Drum Tower Hospital; Affiliated Hospital of Nanjing University Medical School; Nanjing China
2. Department of Pathology, Nanjing Drum Tower Hospital; Affiliated Hospital of Nanjing University Medical School; Nanjing China
3. Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital; Affiliated Hospital of Nanjing University Medical School; Nanjing China
4. Department of Radiology; Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University; Nanjing China
5. Department of Radiology, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine; Nanjing University of Chinese Medicine; Nanjing China
6. School of Electronic Science and Engineering; Nanjing University; Nanjing China
7. Radiation Oncology and Winship Cancer Institute; Emory University; Atlanta Georgia USA