Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lung volumes are low . The heart is mildly enlarged . The aorta is markedly unfolded with calcification noted . There is hilar congestion and mild interstitial pulmonary edema . No large effusion or pneumothorax . Bony structures are intact .
    OUTPUT:
    
Pulmonary edema , mild .