Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been little to no change in the moderate extent of right lateral hemi-thorax pleural thickening and adjacent fluid collection with air - fluid level . Mild right basilar atelectasis is seen . Cardiomediastinal silhouette remains unchanged .
    OUTPUT:
    
Unchanged extent of possible residual right pleural fluid with air - fluid level and right lateral hemi-thorax pleural thickening .