NEW for 2026!The Late-breaking Abstract submission process is changing to ensure we are highlighting the very top science at every stage of planning. Late-breaking abstract shell submissions—placehholders for shich no data are required—will be due on the regualr submission deadline of February 24, 2026. Data for LBAs will be due two months later, on April 20, 2026. No results or conclusions are required for shell abstracts. Please feel welcome to contact the Education team with questions about this new process. |
Scientific abstracts that are included in ASTRO's Annual Meeting allow attendees to share important findings with colleagues and interact with leaders in the field. Accepted abstracts represent all aspects of oncology, radiation oncology and radiation therapy for non-oncologic conditions. The scientific program will feature cutting-edge research in all major disease sites, as well as special physics and biology oral abstract sessions.
Accepted abstracts will be published in the International Journal of Radiation Oncology•Biology•Physics Annual Meeting Proceedings.
The Call for Abstracts for AM 2026 will be open December 2, 2025, through February 24, 2026.
The abstract guidelines will be available soon, so please check back!