Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low , as before , with persistent mild pulmonary vascular congestion and mild cardiomegaly . No focal consolidation concerning for pneumonia is identified . There is no pneumothorax . A metallic right subclavian vein stent is unchanged .
    OUTPUT:
    
Stable mild pulmonary vascular congestion and mild cardiomegaly .