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