Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lateral view is limited due to the patient 's inability to position his arms above his head . The cardiac , mediastinal and hilar contours are normal . Lungs are clear . Pulmonary vascularity is normal . No pleural effusion or pneumothorax is seen . No acute osseous abnormalities are visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .