Dr. Arudo Hiraoka
| Prefecture | Okayama Prefecture |
| Belonging | Sakakibara Heart Institute of Okayama https://www.sakakibara-hp.com/department/cvsurgery/staff/hiraoka.php |
| Specialized | cardiovascular surgery |
| Experienced | valvular, coronary and aortic aneurysms |
| Graduated University | Kyoto University |
