Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear left basilar opacity is compatible with scarring as seen on prior CT . The lungs are hyperinflated but otherwise clear . Cardiomediastinal silhouette is within normal limits . Coronary artery stent is visualized on the lateral view . No acute osseous abnormalities .
    OUTPUT:
    
Hyperinflation without acute cardiopulmonary process .