Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiograph demonstrates a moderately enlarged heart . There is prominence of the interstitial markings which is similar to prior likely reflecting known interstitial lung disease . No convincing evidence for a superimposed pneumonia or edema . No large effusion or pneumothorax . Cardiomediastinal silhouette appears grossly stable . No acute bony abnormalities .
    OUTPUT:
    
Interstitial opacities noted diffusely likely reflecting interstitial lung disease .