Koji Okabayashi

Tokyo, Japan

Last Updated: 09/26/2026

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Found 177 publications

Comment on "Predictive Postoperative Inflammatory Response Indicators of Infectious Complications Following Gastrectomy for Gastric Cancer".

Comment on "Predictive Postoperative Inflammatory Response Indicators of Infectious Complications Following Gastrectomy for Gastric Cancer".

Journal: Journal of Nippon Medical School = Nippon Ika Daigaku zasshi

Published: June 28, 2026

Comparison of Short-Term Outcomes of Intracorporeal Anastomosis in Robot-Assisted colon Resection and Laparoscopic colon Resection: A Single-Center Study and Systematic Review and meta-Analysis.

Comparison of Short-Term Outcomes of Intracorporeal Anastomosis in Robot-Assisted colon Resection and Laparoscopic colon Resection: A Single-Center Study and Systematic Review and meta-Analysis.

Journal: Asian journal of endoscopic surgery

Published: April 27, 2026

Nomogram of conditional survival probability in oldest old patients with colorectal cancer after surgical resection: a multicenter retrospective cohort study.

Nomogram of conditional survival probability in oldest old patients with colorectal cancer after surgical resection: a multicenter retrospective cohort study.

Journal: Japanese journal of clinical oncology

Published: April 18, 2026

ASO Visual Abstract: Background Liver Fibrosis as a Microenvironmental Risk Factor for Intrahepatic Recurrence in Colorectal Liver Metastases.

ASO Visual Abstract: Background Liver Fibrosis as a Microenvironmental Risk Factor for Intrahepatic Recurrence in Colorectal Liver Metastases.

Journal: Annals of surgical oncology

Published: March 26, 2026

Comparison of Three Minimally Invasive Surgical Approaches for Restorative Proctocolectomy in Ulcerative Colitis: A Retrospective Study.

Comparison of Three Minimally Invasive Surgical Approaches for Restorative Proctocolectomy in Ulcerative Colitis: A Retrospective Study.

Journal: Asian journal of endoscopic surgery

Published: March 05, 2026

Textbook Outcome After IPAA for Ulcerative Colitis: A Nationwide Multicenter Study and Its Implications for Long-term Quality of Life.

Textbook Outcome After IPAA for Ulcerative Colitis: A Nationwide Multicenter Study and Its Implications for Long-term Quality of Life.

Journal: Diseases of the colon and rectum

Published: February 13, 2026

Learning curve for robot-assisted rectal resection using the hinotori™ surgical robot system: a risk-adjusted cumulative sum analysis in a surgical team without prior robotic surgery experience.

Learning curve for robot-assisted rectal resection using the hinotori™ surgical robot system: a risk-adjusted cumulative sum analysis in a surgical team without prior robotic surgery experience.

Journal: Journal of robotic surgery

Published: January 21, 2026

ASO Author Reflections: The Liver Left Behind-Background Fibrosis as a Determinant of Intrahepatic Recurrence After Resection of Colorectal Liver Metastases.

ASO Author Reflections: The Liver Left Behind-Background Fibrosis as a Determinant of Intrahepatic Recurrence After Resection of Colorectal Liver Metastases.

Journal: Annals of surgical oncology

Published: January 14, 2026

Background mucosal inflammation affects colorectal cancer prognosis in ulcerative colitis: a nationwide, multicenter study.

Background mucosal inflammation affects colorectal cancer prognosis in ulcerative colitis: a nationwide, multicenter study.

Journal: Journal of Crohn's & colitis

Published: December 03, 2025

Spread Through Air Spaces in Colorectal Lung Metastases Signals Local Recurrenece and Reflects Morphologic Aggressiveness of the Primary Tumor.

Spread Through Air Spaces in Colorectal Lung Metastases Signals Local Recurrenece and Reflects Morphologic Aggressiveness of the Primary Tumor.

Journal: Pathology international

Published: October 31, 2025

Intestinal Endometriosis Mimicking Ulcerative Colitis-Associated Neoplasia: A Case Report.

Intestinal Endometriosis Mimicking Ulcerative Colitis-Associated Neoplasia: A Case Report.

Journal: Inflammatory intestinal diseases

Published: October 24, 2025

Colorectal cancer in metabolic dysfunction-associated steatotic liver disease: an international Delphi consensus statement.

Colorectal cancer in metabolic dysfunction-associated steatotic liver disease: an international Delphi consensus statement.

Journal: Gut

Published: October 23, 2025

Showing 1-12 of 177

Last Updated: 09/26/2026