Dr. Masaru Murai
| Area | Tokyo Metropolis |
| Medical institution affiliation | Sanno Hospital https://www.sannoclc.or.jp/hospital/patient/doctor/hinyoukika/index.html |
| Medical specialties | urology |
| Medical expertise | urology (urinary tract malignancies (especially prostate cancer), dysuria, adrenal disease) |
| Graduated University | Keio University |
