Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable AP chest radiograph was obtained . Left internal jugular approach central venous catheter is now appropriately positioned with the tip terminating in the mid SVC . Right subclavian approach dialysis catheter tip terminates in the right atrium . No focal consolidation , pleural effusion or pneumothorax is seen in the current study . The cardiomediastinal and hilar contours are stable moting mitral annular calcifications .
    OUTPUT:
    
Left internal jugular central venous line is now optimally positioned with the tip in the mid SVC . No pneumothorax .