Dr. Shiro Oka
| Prefecture | Hiroshima Prefecture |
| Belonging | Hiroshima University Hospital https://www.hiroshima-u.ac.jp/hosp/sinryoka/chuoshinryo/naishikyo/staff |
| Specialized | gastroenterology |
| Experienced | gastroenterology (gastrointestinal tract), endoscopic diagnosis and treatment of gastrointestinal cancers, small bowel disease, inflammatory bowel disease |
| Graduated University | Hiroshima University |
