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Please Note: All session times for the AACR Virtual Special Conference: Tumor Immunology and Immunotherapy are U.S. Eastern Standard Time (EST).

Abstract Submission DeadlineTuesday, July 27, 2021, 5 PM EDT

Individuals interested in submitting an abstract for presentation during the conference must do so through the AACR Online Submission System below.

Log in to myAACR. If you are an AACR member, please use your AACR username and password. If you have forgotten either, you can look it up on the website by entering your Member ID. For non-AACR members, you will need to create a free myAACR account to submit your abstract.

Note: This is free and the account is not for membership to the AACR, only to submit your abstract.

SUBMIT ABSTRACT Submission Guidelines

Please be sure to carefully check your abstract for content errors, spelling, names, etc. before submitting. The AACR does not proofread for or correct spelling, typographical, grammatical, or scientific errors, nor can changes be made once the abstract is submitted. If you have any questions or experience any problems, please contact AACR Abstract Support at [email protected].

abstract categories

  • Advances in Immune Cell Engineering
  • Combinatorial Studies to Overcome Resistance to Immunotherapy
  • COVID-19 Immunology in Cancer Patients
  • Immunometabolism
  • Interrogating the Immune Landscape of Cancer
  • Technology and Systems Biology
  • Therapeutic Targeting of the Tumor Microenvironment
  • Other

Review and presentation formats

Only those abstracts that have been reviewed and selected by the Conference Program Committee may be presented. Details on the length and format of the presentations will be provided to individuals noted as ABSTRACT PRESENTERS of accepted abstracts.

publication and release

Accepted abstracts will be published as an online-only Proceedings supplement to an AACR journal after the completion of the meeting.


All individuals listed as ABSTRACT PRESENTERS will be notified of acceptance or rejection by email approximately five (5) weeks after the abstract submission deadline. Notices and instructions will be sent to the email address provided at the time of abstract submission. If an abstract is not selected for presentation, the presenter may request a full refund of the registration fee by contacting the AACR Meetings Department at [email protected].


Virtual posters are 5-minute pre-recorded video files that will be available on-demand to attendees throughout the conference. Videos can be created using PowerPoint or Keynote with audio enabled to allow you to narrate your slideshow. Instructions will be included in abstract acceptance notifications.


ABSTRACT PRESENTERS of accepted abstracts are required to register for the meeting at the corresponding member or nonmember rate. If an abstract is not accepted for presentation at the meeting, the ABSTRACT PRESENTER may request a full refund of the registration fee

Request for withdrawal

Once an abstract has been submitted, it may be withdrawn only by written request from the ABSTRACT PRESENTER. Withdrawal requests must be emailed to [email protected] by Tuesday, September 14, 2021.