A study of adherence to annual low-dose computed tomography (LDCT) screening within the Veteran Health Administration Lung Cancer Screening Demonstration Project (LCDSDP) revealed only 77.6 percent of those eligible for annual repeat scans returned. The study, from the Thoracic Oncology Research Group (TROG), Division of Pulmonary Critical Care, Medical University of South Carolina, will be presented at the CHEST Annual Meeting 2018, Oct. 6-10 in San Antonio.