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Cooperation to Education, Research and Clinical Practice
Support Fund of Yamagata University Faculty of Medicine

-Toward the "Research and Development Project for the Next-Generation Carbon Ion Irradiation System for Medical Use-


Dear Sir or Madam,

We would like to take this opportunity to express my sincere gratitude to all of you for your continued support and cooperation in the management of Yamagata University Faculty of Medicine.
Since the Faculty of Medicine decided at a faculty meeting in 2004 to make "cancer" the center of medical care at Yamagata University Faculty of Medicine, we have been working hard toward the establishment and operation of the Tohoku Cancer Network and the construction of a carbon ion radiotherapy facility. We would like to express our sincere gratitude to the local governments, corporations, and individuals who have donated a total of over 2.3 billion yen in order to advance this project. Thanks to your support, we have steadily accumulated the number of treated patients since we started carbon ion radiotherapy for prostate cancer in February 2021, and in FY2023, we were able to complete treatment for 662 patients, exceeding our annual target of 600.
Currently, the Center has begun joint research on a patient positioning system using a CT system installed in the treatment room in order to achieve more accurate carbon ion irradiation to the target volume. Ultimately, we are aiming for "3D image-guided adaptive particle therapy" that can respond to any change in the position or shape of the cancer without waiting. As a research and development facility, we will continue to contribute to the improvement and development of the welfare of the local community with the mission of advancing cancer treatment, international development, and human resource exchange and training. Funds are necessary for the operation of the Center and for research, education, and medical treatment related to carbon ion radiotherapy. We would appreciate your further understanding and endorsement of the purpose of this fund and would appreciate your exceptional support.

Sincerely yours


April 2024



Dean of Yamagata University Faculty of Medicine
Chairperson of the Steering Committee of the East Japan Heavy Ion Center,
Faculty of Medicine, Yamagata University

Satoru Nagase

Director of Yamagata University Hospital
Vice Chairman of Steering Committee of East Japan Heavy Ion Center,
Faculty of Medicine, Yamagata University

Norihiko Tsuchiya

Executive Director / Vice-President, Yamagata University

Kenji Nemoto

Director, East Japan Heavy Ion Center, Faculty of Medicine, Yamagata University

Takeo Iwai

Director, Carbon-ion Radiotherapy Center, Yamagata University Hospital

Masashi Koto

Associate Director, East Japan Heavy Ion Center, Faculty of Medicine, Yamagata University

Fuyuhiko Motoi

Associate Director, East Japan Heavy Ion Center, Faculty of Medicine, Yamagata University

Hiraku Sato

Associate Director, Yamagata University Hospital

Yukihiko Sonoda


*If you agree, the names of those who donate 10,000 yen or more will be engraved on a plaque to be displayed in the facility, and will become a part of the University's history for many years to come.


Contact Us
East Japan Heavy Ion Center Office, Faculty of Medicine, Yamagata University
Mail: yu-heavyion@jm.kj.yamagata-u.ac.jp
Telephone: +81-23-628-5404


Donation Application Form (word)


Donors (corporate and individual)
*Only those who have consented to disclosure are listed.

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