Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is vague opacity in the left mid lung thought to be posterior on the lateral view . Coarse interstitial markings seen elsewhere is similar to prior exam . Biapical scarring is again noted . The cardiomediastinal silhouette is within normal limits . Mid thoracic dextroscoliosis is noted . Partially visualized abdominal aortic stent is seen .
    OUTPUT:
    
Hazy left mid lung opacity which could represent pneumonia in the proper clinical setting .