Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Extensive interstitial lung disease and chronic airways disease appears similar to the prior radiograph . A mass with a fiducial in the right lower lobe is stable in appearance , however , the surrounding opacification appears improved . Right upper lung calcified lesion on prior CT is also grossly unchanged . The cardiac and mediastinal contours are stable . There is no new focal opacity concerning for pneumonia . Slight blunting of the costophrenic angles may relate to tiny pleural effusions or pleural scarring . No pneumothorax is identified .
    OUTPUT:
    
No new opacity concerning for pneumonia .