Dr. Masashi Ueno
| Prefecture | Tokyo Metropolis |
| Belonging | Toranomon Hospital https://toranomon.kkr.or.jp/cms/departments/under-alimentary_canal/doctors.html |
| Specialized | digestive surgery |
| Experienced | surgery for colorectal cancer, medical treatment of colorectal cancer, anal preservation surgery for rectal cancer |
| Graduated University | University of Tokyo |
