Chen Weiguo, male, born in June, 1964, professor, chief physician. Graduated from Sun Yat-sen University of Medical Sciences, tutor for master students. This paper mainly studies the imaging diagnosis of urogenital system. Imaging diagnosis of breast diseases and other directions. He is currently the deputy director of Guangdong Radiation Quality Control Center, a member of the Radiation Quality Control Expert Committee, the chairman of the Imaging Diagnosis Committee of Guangdong Hepatology Association, and the deputy director of the Hospital Imaging Center Management Committee of Guangdong Hospital Association. Member of Radiation Professional Committee of Guangdong Medical Doctor Association, health research project evaluation expert of Ministry of Health, expert group of provincial science and technology evaluation center, expert group of provincial science and technology consultation, expert group of provincial drug evaluation and certification center, and expert group of Guangzhou medical appraisal. Evaluation expert of National Natural Science Foundation of China.