Dr. Masashi Niwakawa
| Prefecture | Shizuoka Prefecture |
| Belonging | Shizuoka Cancer Center https://www.scchr.jp/division/urology/about.html |
| Specialized | urology |
| Experienced | diagnosis and treatment of urological malignancies |
| Graduated University |
| Prefecture | Shizuoka Prefecture |
| Belonging | Shizuoka Cancer Center https://www.scchr.jp/division/urology/about.html |
| Specialized | urology |
| Experienced | diagnosis and treatment of urological malignancies |
| Graduated University |