Zeyi Guo is a visiting Ph.D. student in Hepatobiliary Surgery at the Eastern Hepatobiliary Surgery Hospital, Naval Medical University. In July 2023, he graduated with a M.S. degree in Surgery from Southern Medical University. In April 2024, he joined the Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences. His current research focuses on the application of photoacoustic imaging for early diagnosis of microvascular invasion (MVI) in hepatocellular carcinoma. He has published multiple papers as the first author (including corresponding author) in journals such as Cellular Oncology, Journal of Tissue Engineering, and Chinese Journal of Clinical Oncology.