Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low , resulting in crowding of bronchovascular structures and apparent prominence of the mediastinum . There is pulmonary vascular congestion without overt pulmonary edema . Heart size is normal . No pleural effusion , pneumothorax or focal airspace consolidation worrisome for pneumonia .
    OUTPUT:
    
Low lung volumes with pulmonary vascular congestion .