Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hyperexpansion of the lungs is again seen , compatible with COPD . The heart is mildly enlarged , increased in size since the ___ exam . The central pulmonary vessels are engorged . There is superimposed mild interstitial edema , slightly worse at the lower lung zones . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
COPD with cardiomegaly and mild asymmetric interstitial edema .