Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There bilateral pleural effusions , moderate on the left and small on the right , unchanged since ___ . Superiorly , the lungs are clear . There is no pneumothorax . The cardiac silhouette is moderately enlarged . Atherosclerotic calcifications noted at the aortic arch . Prior left lateral eighth and posterior right seventh rib fractures are noted . No acute osseous abnormalities .
    OUTPUT:
    
Bilateral pleural effusions , left greater than right , as on prior . No visualized rib fracture on these nondedicated views .