Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . A right - sided chest for terminates in the mid to lower SVC . Again noted are bilateral small pleural effusions , grossly similar to the prior examinations . Bibasilar opacities have improved since comparison radiographs . There is bibasilar atelectasis , more pronounced on the left . No definite rib fracture is identified . If there is persistent concern for bony abnormality , dedicated rib films can be obtained .
    OUTPUT:
    
Bibasilar atelectasis and small pleural effusions .