Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously noted right pleural effusion has significantly increased since the prior study , now large in extent . Additionally , a small left pleural effusion is likely present . Multiple right - sided rib fractures are again demonstrated . The cardiac silhouette size appears relatively unchanged , as is the mediastinal contour with calcification of the aortic knob . There is right basilar opacification likely reflecting compressive atelectasis . No pneumothorax is definitively noted .
    OUTPUT:
    
Increased size of right pleural effusion , which is now large in extent with right basilar atelectasis . Small left pleural effusion .