1. West China School of Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China
2. Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
3. Department of Medical Oncology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
4. Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
5. Department of Medical Oncology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China