Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . There is no pleural effusion , pneumothorax or focal airspace consolidation . The cardiac silhouette is mildly enlarged . There is prominence of the right paratracheal stripe .
    OUTPUT:
    
Prominence the right paratracheal stripe may be vascular in etiology , although , lymphadenopathy can not be excluded . A nonemergent CT would provide better characterization .