China Lung Cancer Screening (CLUS) Study Version 3.0

Enrolled participants will managed by a pre-designed software. The software would provide helpful assistance, such as lung cancer education, decision-making, assisting in making and attending LCS LDCT appointments, arranging follow-up when needed, tobacco cessation support for smokers, treatment assistance if diagnosed as lung cancer.

LDCT were performed in both arm. The abnormal nodules were defined as noncalcified nodules (NCN) larger than 5 mm