Kei Hayashi
Yokohama, 2410815, Japan
Last Updated: 09/26/2026
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Found 15 publications
Programmed death-ligand 1 expression in gastric cancer by the combined positive score using the PD-L1 IHC 28-8 pharmDx test: a single institution's experience.
Journal: Japanese journal of clinical oncology
Published: March 31, 2026
Nivolumab Plus 5-Fluorouracil/Leucovorin+Oxaliplatin for Gastric Cancer With Severe Peritoneal Metastasis.
Journal: Anticancer research
Published: February 12, 2025
Endoscopic Submucosal Dissection for Recurrent Esophageal Squamous Cell Carcinoma Post-Radiation.
Journal: Digestive diseases and sciences
Published: May 10, 2024
Upper gastrointestinal endoscopic submucosal dissection using an ultrathin endoscope: a retrospective, single-center evaluation.
Journal: Surgical endoscopy
Published: January 20, 2024
Complete response induced by nivolumab monotherapy in gastric neuroendocrine carcinoma: a case report.
Journal: International cancer conference journal
Published: January 04, 2024
Palliative use of self-expanding metal stents in initially anticancer treatment-intolerant patients with esophageal cancer.
Journal: BMC gastroenterology
Published: January 04, 2024
Clinical Effect of the C-Reactive Protein to Serum Albumin Ratio in Patients with Metastatic Gastric or Gastroesophageal Junction Cancer Treated with Trifluridine/Tipiracil.
Journal: Journal of personalized medicine
Published: April 11, 2023
Evaluation of Irinotecan and Trifluridine/Tipiracil as Fourth-line Treatments After Third-line Nivolumab for Advanced Gastric Cancer.
Journal: Anticancer research
Published: March 19, 2023
Clinical Significance of Neutrophil-to-Lymphocyte Ratio/Serum Albumin Ratio in Patients With Metastatic Gastric or Gastroesophageal Junction Cancer Administered Trifluridine/Tipiracil.
Journal: Anticancer research
Published: January 16, 2023
Successful resection of gastric cancer arising from a heterotopic gastric gland in the submucosa by endoscopic submucosal dissection.
Journal: Clinical case reports
Published: March 24, 2022
Endoscopic mucosal resection using a ligation device for duodenal neuroendocrine tumors: a simple method.
Journal: Therapeutic advances in gastrointestinal endoscopy
Published: December 20, 2021
Prognostic Impact of Immune-related Adverse Events in Gastric Cancer Patients Treated With Nivolumab.
Journal: Anticancer research
Published: December 10, 2021
Last Updated: 09/26/2026