Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is seen . Minimal atelectasis is seen in both lung bases . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild bibasilar atelectasis . No focal consolidation to suggest pneumonia .