1. Department of Radiology, Affiliated HuaShan Hospital, Fudan University, 12 Wulumuqi Road, Shanghai 200040, China.
2. Department of Radiology, Affiliated Cancer Hospital, Fudan University, 270 Dongan Road, Shanghai 200032, China.
3. Department of Pathology, Affiliated Cancer Hospital, Fudan University, 270 Dongan Road, Shanghai 200032, China.