Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate slight elevation of the right hemidiaphragm , unchanged since ___ , with a subtle opacity of the right lung base likley representing pneumonia , less likely atelectasis . There has been interval removal of tracheal Y-stent . There is no pleural effusion . The cardiomediastinal silhouette is unremarkable . The hilar structures are normal in appearance . There is no pneumothorax . Cholecystectomy clips are noted in the right upper quadrant pain , best seen on the lateral view .
    OUTPUT:
    
Findings suggestive of right lung base pneumonia .