Dr. Tatsuya Ioka
| Prefecture | Yamaguchi Prefecture |
| Belonging | Yamaguchi University Hospital http://www.hosp.yamaguchi-u.ac.jp/section/59.html |
| Specialized | oncology |
| Experienced | chemotherapy for gastrointestinal cancers, especially pancreatic, biliary tract, bile duct and gall bladder cancer |
| Graduated University | Nihon University |
