Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Slightly lower lung volumes seen on the current exam with secondary crowding of the bronchovascular markings . The lungs , however , remain clear of consolidation or effusion . The cardiac silhouette is slightly enlarged , likely accentuated by technique and lower lung volumes . S - shaped thoracic scoliosis is identified .
    OUTPUT:
    
No acute cardiopulmonary process .