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Radiologic features of pulmonary nodules. (A) Transverse CT section of a 8 mm solid pulmonary nodule with irregular margins (arrow); (B) transverse CT section shows a spiculated predominantly solid nodule with small air bronchiologram; (C) transverse CT sections show a small nodule with spiculated margins and pleural retraction. All three pulmonary nodules, regardless of its size, have radiological features of malignancy.
