Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant interval change from the prior exam . Bandlike linear opacity in the left lower lobe is unchanged , perhaps chronic scarring as well as slight blunting of the left costophrenic angle . No focal consolidation , edema , effusion , or pneumothorax . The heart is top - normal in size , overall unchanged . The mediastinum is not widened . No acute osseous abnormality .
    OUTPUT:
    
No significant interval change . No focal pneumonia or pneumothorax .