1. Department of Radiology, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China
2. Department of General Surgery, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China
3. Department of Radiology, Peking University International Hospital, Life Park Road No. 1 Life Science Park of Zhong Guancun, Chang Ping District, Beijing 102206, China
4. Department of Radiation Oncology, Cancer Center, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China