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Fig. 4B —Benign nodule in 44-year-old man who is a smoker.
Segmentation of nodule on CT scan obtained 10 months after A.
Three-dimensional surface-rendering view of segmented nodule shows its
triangular shape. Nodule morphology and shape are better analyzed on
volumetric than on 2D CT images. This nodule is likely to be intrapulmonary
lymph node. Relative volume variation is 6%, and estimated nodule doubling
time is 593 days. Nodule remained unchanged at 28 months.
