Published on in Vol 12 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/86630, first published .
Evaluation of GPT-5 for Esophageal Cancer Staging Using Fluorodeoxyglucose Positron Emission Tomography Maximum-Intensity Projection Images: Comparative Pilot Study

Evaluation of GPT-5 for Esophageal Cancer Staging Using Fluorodeoxyglucose Positron Emission Tomography Maximum-Intensity Projection Images: Comparative Pilot Study

Evaluation of GPT-5 for Esophageal Cancer Staging Using Fluorodeoxyglucose Positron Emission Tomography Maximum-Intensity Projection Images: Comparative Pilot Study

Hiroki Maruyama   1 , MD ;   Yoshitaka Toyama   2, 3 , MD, PhD ;   Yuya Araki   4 ;   Kentaro Takanami   3 , MD, PhD ;   Masato Ito   3, 5 , MD ;   Yumi Nakajima   3, 6 , MD ;   Kei Takase   3 , MD, PhD ;   Takashi Kamei   1 , MD, PhD

1 Department of Surgery, Graduate School of Medicine, Tohoku University, Sendai, Japan

2 Department of Imaging and Anatomy for Groundbreaking Education Collaborative Research, Graduate School of Medicine, Tohoku University, Sendai, Japan

3 Department of Diagnostic Radiology, Tohoku University Hospital, Sendai, Japan

4 School of Medicine, Tohoku University, Sendai, Japan

5 Department of Diagnostic Radiology, Osaki Citizen Hospital, Osaki, Japan

6 Department of Diagnostic Radiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan

Corresponding Author:

  • Yoshitaka Toyama, MD, PhD
  • Department of Imaging and Anatomy for Groundbreaking Education Collaborative Research
  • Graduate School of Medicine
  • Tohoku University
  • 2-1 Seiryo-Machi, Aoba-Ku
  • Sendai
  • Japan
  • Phone: 81 022-717-7312
  • Fax: 81 022-717-7316
  • Email: ytoyama0818@gmail.com