Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Eventration in the right hemidiaphragm is stable . The mild left lower lobe atelectasis reported on prior chest radiograph is no longer present . However , in the left lower lobe at the level of the cardiac apex , is an area of increased opacification . Otherwise , the cardiomediastinal and hilar silhouettes are normal . No pneumothorax .
    OUTPUT:
    
Left lower lobe opacity is of doubtful significance , however , if symptoms persist repeat chest radiograph imaging may be considered .