Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to prior from ___ . There is diffuse increased interstitial markings in the lungs , most notably at the bases and perhaps slightly progressed from previous exam . There is no large confluent consolidation . Cardiac silhouette is enlarged , but stable in configuration . Degenerative changes and potentially post-traumatic changes identified at the left glenohumeral joint . Hypertrophic changes are seen in the spine .
    OUTPUT:
    
Increased interstitial markings in the lungs bilaterally , slightly more so when compared to previous exam from ___ . This is compatible with patient 's underlying chronic lung disease however component of infection or pulmonary edema is not completely excluded .