Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a moderate amount of free air consistent with known recent PEG tube placement . There is hyperexpansion of the lungs as evidenced by increased retrosternal space . The visualized mediastinal structures are unremarkable . There is a right lower lobe opacity which could be consistent with aspiration pneumonitis versus pneumonia . There is a small right - sided pleural effusion as seen on prior examination . No pneumothoraces .
    OUTPUT:
    
1 . Right lower lobe consolidation consistent with aspiration pneumonitis versus pneumonia . 2 . Unchanged small right pleural effusion . 3 . Moderate free intraperitoneal air consistent with recent PEG tube placement .