Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal portable semi supine radiograph of the chest demonstrate normal heart size , mediastinal and hilar contours . The lungs are clear . No pleural effusion or pneumothorax . A right internal jugular central venous catheter ends in the lower SVC
    OUTPUT:
    
Right internal jugular central venous catheter ends in the lower SVC .