11.27 – 29, 2025：38th Annual Meeting of JASTRO

“The 38th Annual Meeting of the Japanese Society for Radiation Oncology” was held in Tokyo, Japan, from 11.27 – 29, 2025. Dr. Noriyuki Kadoya, Dr. Yoshiyuki Katsuta, and students Ryota Tozuka (D2), Senri Hayashi (D1), Zhoujie Zhang (M2), and Yoshiyuki Takahashi (M1) attended this conference.

Reported by Zhoujie Zhang (M2)

The theme of this meeting was “Imagine The Future: Discussing the Future of Cancer Treatment.” I gave a poster presentation titled “Impact of Adding Dataset Size of Head and Neck Cancer Patients on SAM2-Based OAR Segmentation.” In my presentation, I introduced SAM2, a new 3D interactive segmentation foundation model, and its performance after fine-tuning for head and neck OAR segmentation and discussed its future outlook. The poster session featured on-site displays combined with an online Q&A system. I received questions from other participants online and was able to answer them during or after the conference. I found this online discussion format to be very flexible and convenient for exchanging ideas.

Dr. Kadoya also gave oral presentations at the conference multiple times, sharing “The Future of ART” and “QA x AI.” He discussed the future development and current situation of AI in radiation therapy, which fit the conference theme.

This meeting featured not only analyses of the current status and future of cancer treatment in Japan, but also international presentations from overseas. I attended several international sessions, such as those regarding the current status and future of cancer treatment in Chinese hospitals and the current status and future goals of AI auto-segmentation in Korea. I also found a presentation from a Swiss speaker particularly interesting; they introduced the current situation in Switzerland and discussed the benefits and prospects of low-field (like 0.55T) MRI in future treatments.

Finally, I gained a lot of valuable experience and knowledge from this conference, and I will use this knowledge for my future research and work. I also would like to express my deepest gratitude to the professors and students in the lab for their support.