Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . There are vague nodular densities projecting over each mid lung , probably nipple shadows . Streaky basilar opacities suggest minor atelectasis or scarring . Elsewhere , the lungs appear clear . Bony structures are unremarkable .
    OUTPUT:
    
No evidence of acute disease . Vague bilateral nodular densities , probably nipple shadows . When clinically appropriate , confirmation with an additional PA view using nipple markers is recommended . An email regarding the recommendation was sent the ED ___ nursing group on ___ .