Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is again mild - to - moderately enlarged . The mediastinal and hilar contours appear stable . There is a mild - to - moderate interstitial abnormality suggesting pulmonary edema . Trace pleural effusions are difficult to exclude . There is no pneumothorax . Spinal curvature appears unchanged . The bones are probably demineralized .
    OUTPUT:
    
Mild - to - moderate interstitial abnormality suggestive of pulmonary edema .