Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the most recent prior radiograph , there has been improvement in bilateral lung opacities . The lungs are now clear . There is no focal consolidation , pleural effusion or pneumothorax . The ET and NG tubes have been removed . The cardiomediastinal silhouette is normal . The visualized osseous structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .