The Annual Meeting program will deliver the top science and education related to the field of radiation oncology. The Scientific Program will include the Plenary, Clinical Trials and late-breaking sessions, as well as the popular Science Highlights and Cancer Breakthroughs sessions. We will work to improve the digital poster experience with continued audio narration and time for Q&A with presenters. The Education Program will include all the educational sessions and panels you are used to, as well as the popular Master Classes and Storytelling sessions.

Programming Times

The scientific and educational sessions of the Annual Meeting will take place Saturday, October 23 through Wednesday, October 27. The programming times are as follows:

Date Time
Saturday, October 23 7:45 a.m. – 6:15 p.m.
Sunday, October 24 7:45 a.m. – 6:15 p.m.
Monday, October 25 7:30 a.m. – 6:30 p.m.
Tuesday, October 26 8:00 a.m. – 5:30 p.m.
Wednesday, October 27 8:00 a.m. – 4:45 p.m.


Program Embrace the change and learn more about the live programming being planned for the 2021 Annual Meeting starting October 24, 2021, at McCormick Place West in Chicago.
Meeting Highlights This year's Annual Meeting has been uniquely designed to ensure that attendees from around the globe continue to access timely scientific and educational content. Learn more about our Meeting Highlights.
Ticketed Events Interested in attending one of ASTRO's ticketed events? Learn more about these events and the fees associated with each.
Posters View the poster Q&A schedule and learn more about how to access the nearly 1,500 posters that will be presented at ASTRO 2021. 
Digital XP The Digital XP platform is now open! Content becomes available October 23-28 and attendees will have access until November 30, 2021.
Industry Satellite Symposia The ASTRO Annual Meeting will offer two Industry Satellite Symposia for additional education content. View the details for the symposia, including date, time, location and content provided.

American Society for Radiation Oncology
251 18th Street South, 8th Floor
Arlington, VA 22202
Telephone: 703-502-1550


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