Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is moderate cardiomegaly and mild pulmonary edema , but no focal airspace consolidation . The patient is status post aortic valve replacement . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Moderate cardiomegaly and mild pulmonary edema consistent with decompensated CHF .