Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous plain film and CT from ___ . There are diffusely increased interstitial markings seen in the lungs bilaterally compatible with chronic lung disease . Increased lucency at the left lung apex and abutting the mediastinum is compatible with emphysematous changes identified on prior CT . There is no definite new region of consolidation . There is no pleural effusion . Cardiomediastinal silhouette is stable as are the osseous and soft tissue structures .
    OUTPUT:
    
Evidence of chronic lung disease without definite acute cardiopulmonary process noting that evaluation for a subtle infiltrate is limited given background changes .