Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exams from ___ and ___ . Compared to priors , there has been no significant interval change . Again seen are relatively low lung volumes , particularly on the frontal exam . Coarse interstitial markings are seen at the bases and at the peripheries of the upper lungs , right greater than left . These are most suggestive of chronic underlying lung disease . There is no large pleural effusion or new consolidation . The cardiomediastinal silhouette is unchanged . Dual - lead pacing device again seen with lead tips in stable positions . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Evidence of chronic lung disease without definite superimposed consolidation or pulmonary vascular congestion .