Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , resulting in bronchovascular crowding and exaggeration of cardiac size . However , no confluent opacity or consolidation is identified . There is no vascular congestion or pulmonary edema . No pneumothorax is visualized . Cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
No acute cardiopulmonary process