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About

Yuya Oki is a radiation oncology physicist whose research focuses on advancing stereotactic body radiotherapy (SBRT) for lung cancer, with particular emphasis on treatment planning optimization and motion management. His work has significantly contributed to understanding how patient positioning and fiducial marker placement affect treatment accuracy in CyberKnife and other robotic radiotherapy systems. In his most cited study (2022, 5 citations), Oki demonstrated that fiducial marker position critically influences target volume definition during stereotactic lung irradiation, providing essential guidance for real-time tumor tracking. His comparative analysis of supine versus prone positioning for different lung tumor locations (2021, 2 citations) revealed important limitations of CyberKnife’s ceiling-to-floor irradiation geometry, particularly for posterior lung tumors, offering practical solutions for treatment planning. Though early in his career, Oki’s work addresses fundamental challenges in precision radiotherapy—balancing tumor coverage with organ-at-risk sparing—and his findings are directly applicable to clinical practice, helping radiation oncologists optimize SBRT delivery for lung cancer patients.