Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes with unchanged left pleural effusion and bibasilar atelectasis . Stable cardiomegaly and aortic knuckle calcification . Sternal sutures remain intact . No change in bony thorax .
    OUTPUT:
    
Moderate left pleural effusion , increased compared to ___ with bibasilar atelectasis . Unchanged cardiomegaly with mild pulmonary edema .