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Medical Term:

tram lines

 

Definition: the images of bronchial walls on a plain chest radiograph. When seen distally, indicative of bronchiectasis or chronic bronchitis; usually thickened; colloq., British.

Synonym(s): radiographic parallel line shadow

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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