Figure 9. 61-year-old woman with combined right middle and lower lobe atelectasis due to bronchial tuberculosis. (a) Posteroanterior radiograph shows a mass-like opacity with a sharp margin lateral to the right cardiac border (arrow). The right hilum is small and inferiorly displaced. (b) CT clearly demonstrates marked atelectasis of the right middle lobe (arrow) and right lower lobe (arrowhead) with dilated bronchi containing mucus.

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