Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomegaly and the pulmonary vascular congestion again seen , mildly improved since the previous exam of ___ . There is increased opacity in both the right and left lower lobes . An underlying pneumonia or aspiration can not be excluded . Surgical clips over the left upper ex seen as previously .
    OUTPUT:
    
Improved CHF . Bilateral lower lobe opacities