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Right lower lobe collapse

Case contributed by Frank Gaillard
Diagnosis certain

Presentation

Shortness of breath

Patient Data

Age: Elderly
Gender: Male

Chest x-ray

x-ray

Chest x-ray demonstrates complete collapse of the right lower lobe, with obliteration of the silhouette of the right hemidiaphragm on both PA and lateral projections. There is shift of the mediastinum and trachea to the right, and elevation of the hemithorax. 

Annotated x-rays

Annotated image

The collapsed right lower lobe (orange arrows) result in a triangular opacity in the posterior medial part of the right hemithorax. The right hemidiaphragmatic outline is lost (blue dashed line). 

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