Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is borderline enlarged with left ventricular prominence , unchanged compared to the prior exam . Again seen is marked aortic tortuosity , particularly at the distal descending portion , stable compared to the prior exam . No focal consolidation , pleural effusions , or pneumothorax is seen . The osseous structures again reveal multilevel degenerative changes throughout the spine , stable compared to the prior exam .
    OUTPUT:
    
No acute abnormalities identified to explain patient 's cough and fever .