Lung cancer is the leading cause of cancer-related death in the United States. Low-dose computed tomography (LDCT) for lung cancer screening (LCS) can reduce lung cancer deaths by 20% compared to chest x-rays. Nevertheless, the uptake of LDCT is low for high-risk smokers. In this study we used Twitter data to understand laypeople’s emotions towards LCS, find topics on LCS-related tweets, and assess the impact of promotional information on laypeople’s discussions.
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