Dr. Masashi Ueno
| Area | Tokyo Metropolis |
| Medical institution affiliation | Toranomon Hospital https://toranomon.kkr.or.jp/cms/departments/under-alimentary_canal/doctors.html |
| Medical specialties | digestive surgery |
| Medical expertise | surgery for colorectal cancer, medical treatment of colorectal cancer, anal preservation surgery for rectal cancer |
| Graduated University | University of Tokyo |
