Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Again noted are reticular opacities in the bilateral apices , consistent with underlying chronic interstitial lung disease . No overlying consolidation is identified . The cardiomediastinal silhouette and pulmonary vasculature are similar the prior examination .
    OUTPUT:
    
No acute intrathoracic abnormality .