Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is minor bibasilar atelectasis , but no consolidation or pleural effusion . Heart size is normal . Hilar and mediastinal contours are within normal limits . The upper paratracheal margins are normal and there is no evidence of superior sulcus tumor . Osseous structures are intact .
    OUTPUT:
    
Normal chest radiograph .