Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is top - normal in size . The cardiomediastinal and hilar contours are within normal limits . Lung volumes are low which accentuate bronchovascular markings . There is some pulmonary vascular congestion , stable from the prior exam . There is no focal consolidation to suggest infection . Blunting of the costophrenic angles seen best on the lateral view may represent some pleural thickening or trace pleural effusions . There is no pneumothorax .
    OUTPUT:
    
Low lung volumes with no focal consolidation to suggest infection . No evidence of pneumothorax .