Figure 1From: Anatomy packing with hierarchical segments: an algorithm for segmentation of pulmonary nodules in CT imagesPulmonary nodule on chest CT. a Thin-section CT with 3-mm collimation showing a 2.2-cm ground-glass dominant nodule at the upper left lobe. b Thin-section CT with 3-mm collimation showing a lobulated contour of the pure ground-glass nodule.Back to article page