Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . A right lower lobe airspace opacity has improved . A small right pleural effusion is unchanged . Lower lobe bronchiectasis is better seen on the ___ chest CT . There is no pneumothorax . Mild cardiomegaly is unchanged . An IVC filter is partially imaged .
    OUTPUT:
    
Improved right lower lobe pneumonia or aspiration . Stable small right pleural effusion .