Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sternal wires are intact . There is moderate cardiomegaly , stable . Mild central vascular prominence , but no interstitial edema , pneumonia , or pleural effusions . Heavily calcified aortic arch is unchanged .
    OUTPUT:
    
Moderate cardiomegaly , stable , and mild vascular congestion but no interstitial edema or pleural effusion . No pneumonia .