Cardiothoracic Imaging
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Image finding: Atelectasis, left lower lobe




Notes

Follow-up radiograph

COMMENTS

Left lower lobe atelectasis usually produces a wedge-like density behind the heart and adjacent to the spine on the frontal film. Note that the lateral heart border is still intact and distinct. The left diaphragm may become slightly elevated and may not be seen medially along the portion that is immediately adjacent to the collapsed lobe. Lung vasculature and lingular markings stretch to fill the hemi-thorax and the upper lobe becomes overexpanded.

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December 18, 2004 (PL)
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