Dr. Masazumi Okajima
| Area | Hiroshima Prefecture |
| Medical institution affiliation | Hiroshima City Hospital https://www.city-hosp.naka.hiroshima.jp/guide/license/doctor_list_dtl.php?doctor_list_id=56&a=8&mid=10& |
| Medical specialties | digestive surgery |
| Medical expertise | gastrointestinal surgery (especially surgical treatment of colorectal cancer), minimally invasive treatment (laparoscopic surgery, robotic surgery) |
| Graduated University | Hiroshima University |
