Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval resolution of a left lower lobe pneumonia . Previously seen opacity in the right lung is not seen on the current chest x-ray . Previously seen opacity at the right lung base is no longer seen on the current study . Previously seen opacity at the level of the left fifth anterior rib persists . Repeat chest x-ray is recommended in 2 months for evaluation . If the opacity still persists , then CT is recommended for further characterization . The lungs are borderline hyperinflated . No pleural effusion or pneumothorax is seen . The cardiac , hilar and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Interval resolution of the left lower lobe pneumonia . Previously seen opacity at the level of the right fifth anterior rib is no longer seen on the current study . Previously seen opacity at the level of the left fifth anterior rib persists . Repeat chest x-ray is recommended in 2 months for evaluation . If the opacity still persists , then CT is recommended for further characterization .