Akiharu Ishiyama

Okazaki, Japan

Last Updated: 09/26/2026

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Found 40 publications

Risk-adjusted learning curve for robotic colorectal surgery in an educational setting: a single-center consecutive series.

Risk-adjusted learning curve for robotic colorectal surgery in an educational setting: a single-center consecutive series.

Journal: Journal of robotic surgery

Published: January 19, 2026

Staple line leakage after laparoscopic sleeve gastrectomy in Japan: a nationwide survey.

Staple line leakage after laparoscopic sleeve gastrectomy in Japan: a nationwide survey.

Journal: Surgery today

Published: January 09, 2025

Oncological similarities between large type 3 and type 4 tumors in patients with resectable gastric cancer: a propensity score-matched analysis of a multi-institutional dataset.

Oncological similarities between large type 3 and type 4 tumors in patients with resectable gastric cancer: a propensity score-matched analysis of a multi-institutional dataset.

Journal: Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association

Published: May 15, 2024

The long-term quality of life after distal and pylorus-preserving gastrectomy for stage I gastric cancer: A prospective multi-institutional study (CCOG1601).

The long-term quality of life after distal and pylorus-preserving gastrectomy for stage I gastric cancer: A prospective multi-institutional study (CCOG1601).

Journal: Surgery today

Published: March 07, 2024

A multi-institutional prospective observational study to compare postoperative quality of life of patients who undergo total or proximal gastrectomy for early gastric cancer (CCOG1602).

A multi-institutional prospective observational study to compare postoperative quality of life of patients who undergo total or proximal gastrectomy for early gastric cancer (CCOG1602).

Journal: World journal of surgery

Published: November 25, 2023

Protocol of a phase II study investigating the efficacy and safety of trifluridine/tipiracil plus ramucirumab as a third-line or later treatment for advanced gastric cancer.

Protocol of a phase II study investigating the efficacy and safety of trifluridine/tipiracil plus ramucirumab as a third-line or later treatment for advanced gastric cancer.

Journal: Nagoya journal of medical science

Published: March 03, 2023

Modified Albumin-Bilirubin Grade optimized for risk stratification of patients with stage II-III gastric cancer.

Modified Albumin-Bilirubin Grade optimized for risk stratification of patients with stage II-III gastric cancer.

Journal: Surgery today

Published: November 21, 2022

Risk score for predicting death from other causes after curative gastrectomy for gastric cancer.

Risk score for predicting death from other causes after curative gastrectomy for gastric cancer.

Journal: Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association

Published: September 08, 2022

Proposal of the Second Cutoff of Serum Carcinoembryonic Antigen Levels to Stratify Patients into Low, Intermediate, and High Risks at Recurrences after Curative Resection of Gastric Cancer.

Proposal of the Second Cutoff of Serum Carcinoembryonic Antigen Levels to Stratify Patients into Low, Intermediate, and High Risks at Recurrences after Curative Resection of Gastric Cancer.

Journal: Digestive surgery

Published: September 04, 2022

Preoperative neutrophil-to-platelet ratio as a potential prognostic factor for gastric cancer with positive peritoneal lavage cytology in the absence of other non-curative factors: a multi-institutional dataset analysis.

Preoperative neutrophil-to-platelet ratio as a potential prognostic factor for gastric cancer with positive peritoneal lavage cytology in the absence of other non-curative factors: a multi-institutional dataset analysis.

Journal: Surgery today

Published: February 16, 2022

E-PASS scoring system serves as a predictor of short- and long-term outcomes in gastric cancer surgery.

E-PASS scoring system serves as a predictor of short- and long-term outcomes in gastric cancer surgery.

Journal: Surgery today

Published: July 12, 2021

Efficacy of Splenectomy for Proximal Gastric Cancer with Greater Curvature Invasion or Type 4 Tumor: a Propensity Score Analysis of a Multi-Institutional Dataset.

Efficacy of Splenectomy for Proximal Gastric Cancer with Greater Curvature Invasion or Type 4 Tumor: a Propensity Score Analysis of a Multi-Institutional Dataset.

Journal: World journal of surgery

Published: May 07, 2021

Showing 1-12 of 40

Last Updated: 09/26/2026