Dr. Masazumi Watanabe
| Area | Tokyo Metropolis |
| Medical institution affiliation | Tokyo Metropolitan Hiroo General Hospital https://www.tmhp.jp/hiroo/section/shinryou/shinzoukekkan/shinzokekkangeka_staff.html |
| Medical specialties | cardiovascular surgery |
| Medical expertise | ischaemic heart disease, valvular disease, macrovascular and peripheral vascular |
| Graduated University |
