1. Department of Oncology, The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan Province 412000, PR China
2. Department of Oncology, The First Affiliated Hospital of Hunan College of Traditional Chinese Medicine, Zhuzhou, Hunan Province 412000, PR China
3. Department of Radiology, The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan Province 412000, PR China
4. Department of Radiology, The First Affiliated Hospital of Hunan College of Traditional Chinese Medicine, Zhuzhou, Hunan Province 412000, PR China