Dr. Keita Sasajima
| Prefecture | Saitama Prefecture |
| Belonging | Japanese Red Cross Saitama Hospital https://www.saitama-med.jrc.or.jp/department/01_3syoukakan/01_3sasajima.html |
| Specialized | gastroenterology |
| Experienced | diagnosis of depth by magnifying endoscopy, endoscopic treatment such as endoscopic submucosal dissection (ESD), colonoscopy |
| Graduated University | Chiba University |
