Dr. Hitoshi Katai
| Area | Tokyo Metropolis |
| Medical institution affiliation | Tachikawa Hospital https://tachikawa-hosp.kkr.or.jp/departments/clinical-department/gastrointestinal-surgery/index.html |
| Medical specialties | digestive surgery |
| Medical expertise | diagnosis and treatment of gastric cancer, gastric GIST (gastrointestinal stromal tumour) |
| Graduated University | Keio University |
