Shiyuan Liu, Director, Professor, Chief Physician, and Doctoral Supervisor of the Department of Imaging Medicine and Nuclear Medicine, Changzheng Hospital. Served as the deputy chairman of the Chinese Society of Radiology, the head of the Cardiothoracic Group of the Chinese Society of Radiology, the chairman-elect of the Shanghai Society of Radiology, the Standing Committee of the Radiology Committee of the Army, the Standing Committee of the Radiology Branch of the Chinese Medical Doctor Association, and the Standing Committee of the Chinese Society of Imaging Technology，Vice Chairman of Shanghai Cancer Imaging Professional Committee, Vice Chairman of Shanghai Information Integration Association, Vice Chairman of Radiology Branch of Shanghai Biomedical Engineering Society, Member of International Lung Cancer Association, Member of Radiology Society of North America，Member of the European Society of Radiology, etc. The individual has won the third-class merit once. Selected into the Shanghai Outstanding Subject Leaders Program and the Shanghai 21st Century Outstanding Talents Program. Engaged in medical imaging clinical work for 25 years, with rich experience in imaging medicine teaching and research, good at the diagnosis and differential diagnosis of thoracic diseases, especially lung cancer, and molecular imaging. Main research directions: 1. Early diagnosis and differential diagnosis of lung cancer, middle and late stages Comprehensive interventional treatment of lung cancer; 2. Basic and clinical research on opportunistic lung infections; 3. Functional imaging research (CT, MRI, nuclear medicine); 4. Molecular imaging. Proposed the best CT examination plan for pulmonary nodules; the earliest report on the significance of MRI signal patterns and clustered high signal in the differentiation of lung cancer tissue types; the earliest research on chest magnetic resonance angiography and lung parenchymal imaging; the earliest research on the enhancement of lung cancer Molecular biology mechanism. Published more than 250 academic papers and 36 SCI papers. As the first person in charge of the project, he won 2 sub-projects of the National "Eleventh Five-Year" and "Twelfth Five-Year" Science and Technology Support Projects, 4 general projects of the National Natural Science Foundation of China, 1 general project of the Army's 11th Five-Year Plan, and a major Shanghai project 1 item, 4 key projects, 3 key nano-special projects, etc. 23 scientific research funding of more than 10 million yuan. Won the third prize of the Chinese Medical Science and Technology Award, the second prize of the Army Science and Technology Progress Award, and the second prize of the Shanghai Science and Technology Progress Award; 3 third prizes of the Army and Shanghai Science and Technology Progress Award, and 1 second prize of the Army Medical Achievement Award. 1 second prize for excellent online courses from the Ministry of Logistics, and 1 first prize for excellent online courses from the Second Military Medical University. Obtained 4 national invention patent authorizations.