Dr. Masahiko Tsurumaru
| Area | Tokyo Metropolis |
| Medical institution affiliation | Juntendo Hospital, Juntendo University School of Medicine https://hosp.juntendo.ac.jp/clinic/department/shokudo/staff.html |
| Medical specialties | digestive surgery |
| Medical expertise | gastrointestinal surgery (surgical treatment of the gastrointestinal tract, especially the oesophagus and stomach) |
| Graduated University | University of Tokyo |
