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About

Dr. Etsuro Hatano is a world-renowned hepatobiliary and pancreatic surgeon whose research centers on advancing minimally invasive surgical techniques for liver and pancreatic cancers. His major contributions lie in standardizing and validating complex procedures, particularly anatomic liver resections and distal pancreatectomies. Dr. Hatano led a landmark global survey of world experts to define best practices for minimally invasive anatomic liver resection (MIALR), a procedure noted for its technical difficulty and lack of standardization (28 citations). He is also the principal investigator of the JCOG2202 (LAPAN study), a multi-institutional randomized phase III trial comparing minimally invasive versus open distal pancreatectomy for pancreatic cancer, a pivotal study addressing the critical need for oncologic safety evidence (9 citations). Most recently, Dr. Hatano spearheaded the establishment of global benchmark outcomes for robotic liver resections, providing essential quality standards for this rapidly evolving field (4 citations). Through these high-impact, practice-defining studies, Dr. Hatano has positioned himself as a leading authority in the safe, evidence-based adoption of minimally invasive surgery for complex hepatopancreatic malignancies.