Dr. Seiji Udagawa
| Prefecture | Tokyo Metropolis |
| Belonging | Toranomon Hospital Kajigaya https://toranomon.kkr.or.jp/cms/kajigaya/index.html |
| Specialized | digestive surgery |
| Experienced | comprehensive treatment of oesophageal and gastric cancer with surgery, chemotherapy and radiotherapy |
| Graduated University | University of Tokyo |
