Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is noted . Lung volumes are low . The aortic knob demonstrates mild atherosclerotic calcifications . There is crowding of the bronchovascular structures . No focal consolidation , pleural effusion or pneumothorax is seen . Elevation of the right hemidiaphragm is chronic .
    OUTPUT:
    
No acute cardiopulmonary abnormality .