CT Screening for Lung Cancer

OBJECTIVE. In the Early Lung Cancer Action Project (ELCAP), we found not only solid but also part-solid and nonsolid nodules in patients at both baseline and repeat CT screening for lung cancer. We report the frequency and significance of part-solid and nonsolid nodules in comparison with solid nodules.MATERIALS AND METHODS. We reviewed all instances of a positive finding in patients at baseline (from one to six noncalcified nodules) and annual...