Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates moderate cardiomegaly . There is vascular congestion and mild pulmonary and interstitial edema . No focal consolidation , pleural effusion , or pneumothorax is seen . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
Moderate cardiomegaly . Vascular congestion and mild pulmonary and interstitial edema .