Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The lungs are hyperinflated . An esophageal stent is in place . A right basilar opacity is significantly improved from ___ . Mild residual opacity may be scarring . No new opacity . Cardiac and mediastinal silhouettes and hilar contours are stable . Blunting of the right costophrenic sulcus is unchanged . No left effusion or pneumothorax . Loss of vertebral body height in the mid thoracic spine is unchanged .
    OUTPUT:
    
Substantial clearing of the right lower lobe opacity . Mild residual opacity is likely scarring rather than new pneumonia . No new opacity .