Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes , which accentuate the bronchovascular markings . Given this , there may be mild interstitial edema . No pleural effusion is seen . There is no focal consolidation . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Low lung volumes , which accentuate the bronchovascular markings . Given this , there may be mild interstitial edema .