Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a right internal central jugular venous catheter which terminates in the lower superior vena cava . The patient is status post right total shoulder replacement . The cardiac , mediastinal and hilar contours appear stable including a left ventricular configuration to the heart . The lungs appear clear . There are no pleural effusions or pneumothorax . There is also similar mild to moderate S - shaped curvature to the visualized thoracolumbar spine .
    OUTPUT:
    
Central venous catheter terminating in the lower superior vena cava . No evidence of acute cardiopulmonary process .