Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Cardiac silhouette size is mildly enlarged . Mediastinal and hilar contours are unremarkable . Chronic interstitial opacities with fibrosis are most pronounced in the lung bases and the periphery , not substantially changed since the previous radiograph . No definite new focal consolidation , pleural effusion or pneumothorax is present . No pulmonary edema is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Chronic fibrosing interstitial lung disease , as seen previously . No definite new acute cardiopulmonary abnormality .