Personal resume: Chen Song, male, born in September 1975, graduated from the Department of Imaging and Nuclear Medicine of Chongqing Medical University with a master's degree. He began working in July 1999, and is currently a deputy chief physician and a member of the Medical Image Management Committee of the Chongqing Hospital Association.

Medical treatment field and expertise: He has been engaged in the clinical diagnosis of ultrasound imaging for nearly 20 years, and has rich clinical experience in the ultrasound diagnosis of prenatal fetal malformation and adult breast thyroid disorders.

Participation topics, published papers and monographs: He has hosted or participated in four projects and published more than 10 papers, including three CSCD core papers.