[1] Gunma University,Department of Hepatobiliary and Pancreatic Surgery, Graduate School of Medicine
[2] Gunma University,Department of Innovative Cancer Immunotherapy, Graduate School of Medicine
[3] Gunma University,Department of Radiation Oncology, Graduate School of Medicine
[4] Gunma University,Department of Applied Medical Imaging, Graduate School of Medicine
[5] Beppu Medical Center,Clinical Research Institute and Department of Surgery, National Hospital Organization