Wataru Arai

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About

Dr. Wataru Arai is a leading thoracic surgeon whose research focuses on advancing minimally invasive surgical techniques for lung cancer treatment. His work centers on comparing the efficacy of robot-assisted thoracoscopic surgery (RATS) versus video-assisted thoracoscopic surgery (VATS), with particular emphasis on oncological outcomes and surgical precision. Dr. Arai's most-cited study (2022, 27 citations) demonstrates that RATS offers superior three-dimensional visualization and robotic arm dexterity, enabling more precise movements during lung cancer resection. His complementary research (2022, 6 citations) investigates lymph node dissection quality, revealing that RATS achieves higher lymph node counts and improved N-factor upstaging rates compared to VATS in cN0 primary lung cancer patients. These findings have significant implications for accurate cancer staging and treatment planning. Dr. Arai's contributions are helping to establish robotic surgery as a viable, potentially superior alternative to traditional video-assisted approaches, with the goal of improving both surgical outcomes and long-term patient survival in thoracic oncology.