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 . There is no focal consolidation or pneumothorax . There trace bilateral pleural effusions . Linear opacities in the right lower lobe are suggestive of scarring . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No evidence of pneumonia . Trace bilateral pleural effusions .