Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . No prior . The lungs are clear of consolidation or effusion . There are prominent interstitial markings throughout the lungs , raising possibility of chronic underlying lung disease . Cardiac silhouette is moderately enlarged . Note is made of an azygos lobe and fissure . Hypertrophic changes are seen in the spine . Osseous and soft tissue structures are otherwise unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process .