Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Prominent interstitial markings are again seen relating to diffuse bronchiectasis . A patchy superimposed opacity is seen within the left lower lobe and new opacities are also seen in the right mid lung . Heart size is normal . Mediastinal silhouette is unremarkable . There is no pleural effusion or pneumothorax . Scattered tubular opacities may represent foci of mucous impaction .
    OUTPUT:
    
1 . Diffuse prominent interstitial markings associated with known bronchiectasis reflected as chronic background interstitial opacification . 2 . Multifocal patchy opacities , concerning for superimposed pneumonia .