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Legionella infection
A portable anterior/posterior chest radiograph showing a right lower lobe infiltrate consistent with Legionnaire's disease
From the personal collection of Dr Forest W. Arnold; used with permission
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Legionella infection
Chest x-ray (lateral) showing infection: posterior segment of lower lobe consistent with pneumonia; the area in the triangle is normally clear (black). confirmed with positive urinary antigen test
From the personal collection of Dr Forest W. Arnold; used with permission
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Legionella infection
Chest x-ray showing infection: right lower lobe infiltrate consistent with pneumonia (arrow). confirmed positive with urinary antigen test
From the personal collection of Dr Forest W. Arnold; used with permission
See this image in context in the following section/s:

Legionella infection
The superior aspect of a CT abdomen with contrast showing a right lower lobe, dense, lobar infiltrate consistent with Legionnaires' disease causing pneumonia with a small left pleural effusion
From the personal collection of Dr Forest W Arnold; used with permission
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