Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post placement of a right central catheter terminating in the right atrium . The lungs are well expanded and clear . There is no pleural abnormality . The mediastinal and hilar contours are normal .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality . 2 . Status post right central catheter terminating in the lower right atrium .