Scheduled Maintenance: CDAS will be undergoing maintenance on Saturday, June 27^th from 5:30 AM to 9:30 AM U.S. Eastern Standard Time. During this time you may experience intermittent downtime.

PLCO Update

Posted on May 20, 2022, 9:54 a.m. PLCO

More events and follow-up time, deaths are now censored at December 31, 2018.
Chest X-ray image linkage to screening data updated.
Chest X-ray image case/control subset metadata added.