Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest demonstrate relatively low lung volumes , with chronic interstitial prominence , unchanged compared to prior studies . There is no pleural effusion , overt pulmonary edema , or focal airspace consolidation . The cardiomediastinal silhouette is unremarkable . Aortic arch calcifications are again seen .
    OUTPUT:
    
No acute cardiopulmonary process .