An Optimization Randomized Clinical Trial to Identify an Effective, Efficient Smoking Cessation Intervention in the Context of Lung Cancer Screening: Cessation and Screening to Save Lives (CASTL). - Ostroff JS; Shelley D; Chichester LR; Schofield E; Li Y; Collins LM; Elkin EB; Strayhorn JC; Ciupek A; King JC; Barry A (Chest, 2026)