Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There are no focal parenchymal opacities . There is mild bilateral hilar engorgement and vascular upper redistribution , suggesting pulmonary vascular congestion , but no overt pulmonary edema . The heart is moderate to severely enlarged and a unicameral ICD device is seen in the left axilla with the lead ending in the heart base . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Mild pulmonary vascular congestion in the setting of moderate cardiomegaly . No focal opacities to suggest pneumonia .