Dr. Masazumi Watanabe
| Prefecture | Tokyo Metropolis |
| Belonging | Tokyo Metropolitan Hiroo General Hospital https://www.tmhp.jp/hiroo/section/shinryou/shinzoukekkan/shinzokekkangeka_staff.html |
| Specialized | cardiovascular surgery |
| Experienced | ischaemic heart disease, valvular disease, macrovascular and peripheral vascular |
| Graduated University |
