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Case 1. A. sagittal lung window showing condensation excavated from the apical segment of the left upper lobe. B. Post contrast CT thorax showing addition image at the expense of an apical sub-segmental artery of the culmen.
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Three of these cavities were in direct contact with the segmentary branch of the pulmonary artery creating RA (Fig. 1).
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Case 2. A. CT lung window: left upper lobe destroyed, emphysema bubbles, a large cavity in the upper right lobe. B. Post contrast CT thorax: left lower lobe aneurysm.
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CTPA confirmed a left lower lobe aneurysm (Fig. 2).
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