Figure 1

(a) CT scan demonstrating pulmonary nodule, (b) normal elastin structure, (c) abnormal elastin structure at nodule. Notice that abnormal structure may appear due to benign or malignant cause.
(a) CT scan demonstrating pulmonary nodule, (b) normal elastin structure, (c) abnormal elastin structure at nodule. Notice that abnormal structure may appear due to benign or malignant cause.