Keiichi Fujiya, Masanori Tokunaga, Kiyoshi Tone, Koki Nakanishi, Ryo Tanaka, Sho Sato, Junya Kitadani, Yoshihiko Kakiuchi, Izuma Nakayama, Shinji Hato, et al. A Multicenter Collaborative Survey of Peritoneal Lavage Cytology in Gastric Cancer Surgery: Interinstitutional Methodological Differences and Positive Rate. Annals of surgery open : perspectives of surgical history, education, and clinical approaches. 2025. 6. 3. e607
Takashi Abe, Keiichi Fujiya, Masanori Terashima, Akifumi Notsu, Yosuke Matsumoto, Yusuke Koseki, Kenichiro Furukawa, Yutaka Tanizawa, Etsuro Bando. Risk Factors for Duodenal Stump Leakage in Gastric Cancer Surgery and the Preventive Effect of Duodenal Stump Reinforcement. World journal of surgery. 2025. 49. 6. 1591-1599
Keiichi Fujiya, Masakuni Serizawa, Keiichi Ohshima, Rina Umehara, Yuko Watanabe, Takeshi Nagashima, Etsuro Bando, Kenichi Urakami, Yasuto Akiyama, Yasuhiro Tsubosa, et al. A Gene Expression Signature that Predicts Gastric Cancer Sensitivity to PARP Inhibitor Therapy. Anticancer research. 2024. 44. 11. 4779-4788
Keiichi Fujiya, Takashi Kodato, Yusuke Koseki, Kenichiro Furukawa, Yutaka Tanizawa, Masanori Terashima, Etsuro Bando. Postoperative sarcopenia increases both gastric cancer and other-cause mortality in older adults undergoing radical gastrectomy for cancer. Clinical nutrition ESPEN. 2024. 61. 63-70
Surgeon fatigue in robot-assisted and laparoscopic gastrectomy for gastric cancer: Exploratory prospective observational study ancillary to JCOG1907 randomized controlled trial: JCOG1907A1
(2024 ASCO Gastrointestinal Cancers Symposium 2024)
Health-related quality-of-life assessment in accordance with reconstruction procedures for distal gastrectomy for stage I gastric cancer using data from JCOG0912
(2020 ASCO (American Society of Clinical Oncology) Annual Meeting 2020)