Lung Nodule Intervention Cohort Study

Incident lung nodule is quite common in China. The major treatment method is long-term floolow up without a specific intervention. We aim to investigate the efficacy an safty of a novel transdermal therapy with Chinese herb. The study included two arms: one arm is routine treatment and another arm is routine treatment plus transdermal therapy. The study end point is the change of lung nodule size under CT scan.