Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , which results in bronchovascular crowding . Increased interstitial markings likely reflect low lung volumes rather than pulmonary edema . Cardiomediastinal and hilar contours are unremarkable . No pneumothorax , pleural effusion , or consolidation .
    OUTPUT:
    
Low lung volumes with increased interstitial markings . No frank pulmonary edema present .