Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is post-median sternotomy and AVR . Moderate cardiomegaly is unchanged since the ___ examination . There is mild central pulmonary vascular congesion and interstital edema . No focal consolidation , pneumothorax , or pleural effusion is detected .
    OUTPUT:
    
Moderate cardiomegaly with mild central pulmonary vascular congestion and interstitial edema .