1. Department of General SurgeryThe First Affiliated Hospital of Sun Yat‐Sen University Guangzhou 510080 China
2. Department of Radiology and VIP Medical CenterThe Third Affiliated Hospital of Sun Yat‐Sen University Guangzhou 510630 China
3. Department of Radiation OncologyTianjin Medical University Cancer Institute & HospitalKey Laboratory of Cancer Prevention and TherapyNational Clinical Research Center for CancerTianjin's Clinical Research Center for Cancer Tianjin 300060 China
4. Department of Obstetrics and Gynecology and Medical UltrasonicsThe First Affiliated Hospital of Sun Yat‐Sen University Guangzhou 510080 China
5. School of Biomedical EngineeringSun Yat‐Sen University Guangzhou 510006 China