1. Department of Medical Oncology, Fuyang People's Hospital, Fuyang, Anhui 236000, P.R. China
2. Medical Imaging Center, Fuyang Second People's Hospital, Fuyang, Anhui 236000, P.R. China
3. Department of Medical Oncology, Affiliated Fuyang Hospital of Anhui Medical University, Fuyang, Anhui 236000, P.R. China