Scheduled Maintenance: CDAS will be undergoing maintenance on Saturday, February 7^th from 7:30 AM to 9:30 AM U.S. Eastern Standard Time for updates to the website. During this time you may experience intermittent downtime.

The Lung Screening Study data is now available.

Posted on Nov. 20, 2020, 4:20 p.m.

You can read more about this data and make requests at https://cdas.cancer.gov/lss/ .