Toshiteru Nagashima

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About

Dr. Toshiteru Nagashima is a leading thoracic surgeon whose work has fundamentally advanced the practice of minimally invasive lung cancer surgery. His primary research focuses on the intricate anatomy of the lung, specifically for video-assisted thoracoscopic surgery (VATS) segmentectomy. Dr. Nagashima’s major contribution lies in demonstrating how three-dimensional computed tomography (3D-CT) can be used to create a precise, patient-specific roadmap of pulmonary structures. His landmark 2017 paper, “3D-CT anatomy for VATS segmentectomy,” which has garnered 53 citations, is considered a foundational guide for surgeons, showing how 3D imaging reduces operative risk by clarifying the complex branching of bronchi and blood vessels. By translating complex radiological data into actionable surgical plans, Dr. Nagashima has helped make segmentectomy a safer, more reproducible procedure, directly contributing to its global adoption as a standard treatment for early-stage lung cancer. His work empowers surgeons to perform more precise, parenchyma-sparing resections, ultimately improving patient outcomes and recovery.