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About

Ryusuke Sumiya is a thoracic surgeon whose research focuses on advancing minimally invasive surgical techniques for complex mediastinal and pulmonary pathologies. His major contributions center on the development and refinement of robotic portal approaches, demonstrating their superiority over traditional open thoracotomy and conventional thoracoscopic methods for challenging procedures. Sumiya has pioneered techniques for robotic portal complex sleeve resections, including left lower lobe and lingula resections, as well as right upper sleeve lobectomy combined with pulmonary arterioplasty. His work on robotic resection of cervico-superior mediastinal tumors highlights the advantages of hybrid and portal approaches in accessing difficult anatomical regions. Additionally, Sumiya has contributed to the literature on rare mediastinal tumors, reporting a case of multilocular thymic cyst detected during COVID-19 treatment in an HIV-positive patient, which underscores the importance of considering inflammatory associations in immunocompromised individuals. With recent publications in 2023 and 2025, his work is gaining traction, with individual papers accumulating up to 3 citations and collectively demonstrating the growing interest in robotic thoracic surgery. Sumiya’s research is particularly valuable for surgeons seeking to expand the boundaries of minimally invasive thoracic oncology.