Figure 1a.

Selection of cases from 2014 dataset of CT scans of the thorax. Presence of pulmonary nodules and incidental pulmonary nodules were determined by manual review to establish a reference standard set.

Selection of cases from 2014 dataset of CT scans of the thorax. Presence of pulmonary nodules and incidental pulmonary nodules were determined by manual review to establish a reference standard set.