Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to prior , there has been no significant interval change . Interstitial edema is again noted . There is no focal consolidation nor effusion . Moderate cardiac enlargement is unchanged . Tortuosity of descending thoracic aorta is again noted . No acute osseous abnormalities .
    OUTPUT:
    
Interstitial edema . No focal consolidation .