Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are within normal limits . Pulmonary vasculature is normal . Mild elevation of the right hemidiaphragm is chronic . There is minimal atelectasis / scarring in both lung bases . No focal consolidation , pleural effusion or pneumothorax is seen . Mild symmetric scarring within the lung apices is unchanged . There are no acute osseous abnormalities .
    OUTPUT:
    
No radiographic evidence for pneumonia .