Tohoku University School of Medicine(Bachelor of Medicine,1962)
Japanese National Board (M.D.,1963)
Tohoku University School of Medicine(Ph.D 1967)
Cedars-Sinai Medical Center( Research Scientist,1970-1972)
Res.Inst.for Chest Dis.and Cancer,Tohoku Univ.(Assistant Professor of Surgery,1969-1987)
Res.Inst.for Chest Dis.and Cancer,Tohoku Univ.(Associate Professor of Surgery,1987-1989)
Res.Inst.for Chest Dis.and Cancer,Tohoku Univ.(Professor of Surgery,1989-1993)
Inst.of Development,Aging and Cancer,Tohoku Univ.(Professor of Surgery,1993-2000)
Inst.of Development,Aging and Cancer,Tohoku Univ.(Director,1998-2000)
Tohoku Employees'Pension Welfare Hospital(Director,2000-present)
Surgery for Lung Cancer
Lung Transplantation
Lung Volume Reduction Surgery
Prevention of Lung Cancer