On August 30, 2021, it will no longer be possible to log in to CDAS via the TCIA Login Service. Affected users will need to log in to CDAS with a different method, such as the IMS Login Service or the NIH Login Service.

If you do not have an IMS or NIH Login Service account, you are advised to create one if you need to access your existing CDAS projects or submit new ones after August 30. You may register for a new IMS Login Service account at the following url: https://help.loginservice.imsweb.com/register?fromURL=https://cdas.cancer.gov/

Once your account is created, you can log in to CDAS with it by clicking "IMS Login Service" on the CDAS login page. If you do not see your existing CDAS projects when logging in with this method, or you have questions or comments, please submit a CDAS Helpdesk Ticket at the following url: https://cdas.cancer.gov/contact/

If you do not wish to create an account at this time, that is okay. You may create an account at any time, even after August 30, and you will be able to access your previous projects.

Thank you for your time. We apologize for any inconvenience.