Dr. Gaku Arai
| Area | Saitama Prefecture |
| Medical institution affiliation | Dokkyo Medical University Saitama Medical Center https://dept.dokkyomed.ac.jp/dep-k/uro/s12staff.html |
| Medical specialties | urology |
| Medical expertise | urinary tract tumours, prostate tumours, prostate small source therapy |
| Graduated University |
