Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided dual lumen central venous catheter tip terminates in the proximal right atrium . Cardiac , mediastinal and hilar contours are normal . Lungs are clear . No pleural effusion or pneumothorax is present . The pulmonary vasculature is normal . No acute osseous abnormalities are detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .