Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Diffuse reticular opacities most pronounced at the lung bases , compatible with interstitial lung fibrosis , overall similar to prior allowing for differences in technique and patient position . No focal opacity seen . No pleural effusion or pneumothorax . The cardiac silhouette is stably enlarged . Calcification of the descending thoracic aorta is again noted . There is a cervical rib on the right .
    OUTPUT:
    
No focal lung consolidation . Changes of interstitial lung fibrosis overall similar to prior .