Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate moderate cardiomegaly and hyperinflated lungs without focal consolidation . Emphysematous changes are seen bilaterally . There is no pleural effusion or pneumothorax . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary abnormality .