Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , accentuating the cardiomediastinal contours and resulting in crowding of bronchovascular structures . There is no consolidation , pleural effusion , or pneumothorax . Cardiomediastinal and hilar silhouettes are normal size considering low lung volumes .
    OUTPUT:
    
No acute cardiopulmonary process .