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lifetime with a passion to last a lifetime, and “一視同仁,” to love every human being with impartiality. It is my hope that the Department of Cardiovas-cular Surgery will carry on with such virtues to overcome challenges and have greater accomplish-ments in the future.AcknowledgmentsThis work was accomplished by the entire staff of the Department of Cardiovascular Surgery at Juntendo University School of Medicine, and I would like to acknowledge their clinical and research work in cardiovascular surgery.Acknowledgments: We would like to thank Editage (www.editage.com) for English language editing.No funding was received.Author ContributionsAA supervised the work in the Department of Cardiovascular Surgery at Juntendo University.112Figure 12　Prevalence of atrial fibrillation by age at the time of the survey in Japanese dialysis patients (Dec. 31, 2019)Reprinted from An Overview of Regular Dialysis Treatment in Japan. 2019 Report, The Japanese Society for Dialysis Therapy 2020: https://docs.jsdt.or.jp/overview/index.html 1) Vineberg AM: Development of an anastomosis between the coronary vessels and a transplanted internal mammary artery. Can Med Assoc J, 1946; 55: 117-119. 2) Sabiston DC Jr: The William F. Rienhoff, Jr. lecture. The coronary circulation. G Johns Hopkins Med J, 1974; 134: 314-329. 3) Favaloro RG, Effler DB, Groves LK, et al: Direct myocardial revascularization with saphenous vein autograft. Clinical experience in 100 cases. Dis Chest, 1969; 56: 279-283. 4) Cohen MV, Gorlin R: Main left coronary artery disease. Clinical experience from 1964-1974. Circulation, 1975; 52: 275-285. 5) Loop FD, Lytle BW, Cosgrove DM, et al: Influence of the internal-mammary-artery graft on 10-year survival and other cardiac events. N Engl J Med, 1986; 314: 1-6. 6) Cameron AA, Green GE, Brogno DA, et al: Internal thoracic artery grafts: 20-year clinical follow-up. J Am Coll Cardiol, 1995; 25: 188-192. 7) Kitamura S, Kawachi K, Taniguchi S, et al: Long-term The Author declares that there are no conflicts of interest.FundingConflicts of Interest StatementReferences