Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . There is a moderate left - sided pleural effusion , decreased in size from prior . An underlying consolidation is not excluded . A right lower lobe round opacity measuring 2 .6 cm is compatible with previously identified metastasis . Right lower lung field linear opacities may represent atelectasis or scarring . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
1 . Moderate left - sided pleural effusion , decreased in size from prior . An underlying consolidation is not excluded . 2 . Round right lower lobe opacity is compatible with previously identified metastases . 3 . Linear right lower lobe opacities may represent atelectasis or scarring .