Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size and cardiomediastinal contours are stable . Substantial left lower pleural abnormality is not significantly changed compared to ___ . Diffuse interstitial lung abnormality is similar to prior and there is persistent confluent scarring of left upper lobe with retraction of the pulmonary artery . No new consolidation or pleural effusion . No pneumothorax .
    OUTPUT:
    
No definite new consolidation or pneumothorax . Stable left pleural abnormality with left upper lobe scarring .