Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bilateral pleural effusions , small on the left and moderate on the right with adjacent atelectasis . There is pulmonary vascular congestion without overt edema . Enlargement of the cardiac silhouette is similar to prior although detailed evaluation is limited . Dense mitral annular calcifications are seen . Median sternotomy and left chest wall single lead pacing device are again noted . No acute osseous abnormalities .
    OUTPUT:
    
Bilateral pleural effusions with pulmonary vascular congestion , slightly improved since prior exam .