Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low with bronchovascular crowding in the lower lungs . Given history provided , minimal opacity in the right lower lung due to aspiration can not be excluded given technical limitations . The cardiomediastinal silhouette , hilar contours and pleural surfaces are normal . No pleural effusion or pneumothorax is present .
    OUTPUT:
    
Right lower lobe opacity could be secondary to aspiration . Limited exam .