Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left subclavian approach Port - A - Cath or tunneled line with internal 1 way valve with tip terminating at the distal SVC unchanged from prior study . Heart size is normal . Cardiomediastinal silhouette and hilar contours are unremarkable . Lungs are clear . The pleural surfaces are clear without effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary abnormality .