Dr. Hisamitsu Zaha is Director of Breast Surgery at Nakagami Hospital and a leading breast surgeon in Japan with extensive expertise in breast cancer management and oncoplastic breast surgery. He is actively involved in advancing breast surgical techniques that optimize both oncologic safety and aesthetic outcomes, with a strong commitment to patient-centered care.

Dr. Zaha has played an important role in the development and promotion of oncoplastic breast surgery in Japan and contributes significantly to surgical education and professional training. As a board member of the Japan Oncoplastic Breast Surgery Society, he works closely with colleagues to advance standards of care, foster innovation, and support the dissemination of contemporary breast surgical practices.

His clinical interests include breast-conserving surgery, oncoplastic techniques, breast reconstruction, and multidisciplinary breast cancer treatment. Through his leadership, teaching activities, and participation in national and international scientific meetings, Dr. Zaha continues to contribute to the advancement of breast cancer surgery and the improvement of outcomes for patients throughout the region.