Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP view of the chest is compared to previous exam from ___ and ___ . Appearance of the lungs has not significantly changed noting diffuse increased interstitial markings . There is no new confluent consolidation or effusion . Cardiac silhouette is enlarged but stable . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Persistently increased interstitial markings , which can be seen in the setting of chronic underlying lung disease . No evidence of acute cardiopulmonary process .