Dr. Rika Sakai
| Area | Kanagawa Prefecture |
| Medical institution affiliation | Kanagawa Cancer Center https://kcch.kanagawa-pho.jp/examination/ketueki_shuyou.html |
| Medical specialties | haematology and oncology |
| Medical expertise | malignant lymphoma, multiple myeloma |
| Graduated University | Faculty of Medicine, Saga University |
