Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a normal cardiomediastinal silhouette and well - aerated lungs , which are clear . Flattened diaphragms are suggestive of emphysematous disease . There is no focal consolidation , pleural effusion , or pneumothorax . The visualized upper abdomen is unremarkable . Air-filled colon is seen above the liver in the right upper abdomen . There is no evidence of intraperitoneal free air .
    OUTPUT:
    
No acute cardiopulmonary abnormality .