S Jang

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About

S. Jang is a leading researcher in the field of image-guided radiotherapy, with a primary focus on integrating real-time ultrasound (US) guidance into stereotactic ablative body radiotherapy (SABR) for liver cancer. Jang’s major contribution lies in the development of a robotic 4D ultrasound system that operates concurrently with radiotherapy beam delivery—a technical challenge that previously limited the use of US guidance during treatment. In their seminal 2016 work, Jang demonstrated how robotic US imaging can be deployed without interfering with volumetric modulated arc therapy (VMAT) beams, a breakthrough that significantly enhances targeting accuracy for moving liver tumors. This study, which has garnered 20 citations, established a foundation for beam-avoidance strategies that maximize both imaging quality and treatment delivery efficiency. Jang’s work is notable for bridging the gap between robotics and clinical oncology, offering a practical solution to one of radiotherapy’s most persistent challenges: intrafractional motion management. By enabling continuous, non-invasive tumor tracking, Jang’s research has paved the way for safer, more precise liver SABR, directly impacting patient outcomes in radiation oncology.