| Supervisor(s) | Research areas / topics |
| Prof. Yuichiro Otsuka, MD, PhD | 1. Research on improvement of surgical outcome for Hepatocellular carcinoma |
| 2. Research on improvement of surgical outcome for Metastatic tumor from Colo-rectal cancer |
| 3. Research on standardization of minimally invasive surgery for liver disease |
| 4. Research on improvement of surgical outcome for Biliary cancer |
| 5. Research on standardization of minimally invasive surgery for Biliary disease |
| 6. Research on improvement of surgical outcome for Pancreatic cancer |
| 7. Research on standardization of minimally invasive surgery for Pancreatic disease |
| Prof. Yoshihisa Saida, MD, PhD | 1. Digestive Surgery: Stomach, Small Intestine, Colon and Rectum, Surgical Treatment and Chemotherapy of Colorectal Cancer |
| 2. Minimal-invasive treatment: endoscopic treatment, laparoscopic surgery, laparoscopiy endoscopy combination suregry |
| 3.Digestive endoscopy: Digestive endoscopy diagnosis, endoscopic treatment, colonic stent, intraoperative endoscopy. antibacterial therapy, nosocomial infection |
| 4. Infectious disease: postoperative infection,antibacterial therapy, nosocomial infection |
| 5. Non-smoking instruction |
| Prof. Manabu Watanabe, MD, PhD | 1. Hepato-Biliary-Pancreatic surgery |
| 2. Endoscopic surgery, Reduced port surgery |
| 3. Postoperative infection: Surgical site infection, Remote infection, Perioperative infection control |
| 4. Surveillance of infectious complications following gastroenterological surgery |
| 5. Laparoscopic cholecystectomy for acute cholecystitis |
| 6. Metagenomic analysis for acute cholangitis |
| 7. Multimodal imaging of cancerous regions utilizing spectral X-ray CT and 7T-MRI |
| Prof. Kenji Kawada, MD, PhD | 1. Research to improve surgical treatment for colorectal cancer |
| 2. Minimally invasive surgical treatments: robotic surgery, laparoscopic surgery |
| 3.Research toward standardizing minimally invasive surgery for rectal cancer |
| 4.Development of a tool to predict surgical risks in rectal cancer surgery |
| 5.Research to improve quality of life (bowel, urinary, and sexual functions) following rectal cancer surgery |
| 6.Therapeutic strategies targeting myeloid cells in the tumor microenvironment |