Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low which leads to bronchovascular crowding . There is no focal consolidation . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . There is no pleural effusion or pneumothorax . Visualized upper abdomen is unremarkable . Compression deformities of the thoracic vertebral bodies are unchanged .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .