Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Again noted is an elevated right hemidiaphragm . The cardiac silhouette is stable and moderately enlarged . The mediastinal silhouette is unremarkable . Calcified pleural plaques projecting over the left midlung are unchanged . Bibasilar opacities most likely represent bibasilar atelectasis . There is no definite pleural effusion or pneumothorax . Pulmonary vasculature is not engorged . No bony abnormalities are identified .
    OUTPUT:
    
Low lung volumes with bibasilar atelectasis . Calcified left pleural plaques .