Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ , there is interval decrease in lung volumes . There is mild pulmonary vascular congestion with widening of the vascular pedicle . Normal subsegmental atelectasis . No significant effusions or pneumothorax . The heart is mildly enlarged .
    OUTPUT:
    
Low lung volumes with mild pulmonary vascular congestion .