Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Previously seen dual - lumen left chest wall port is no longer visualized . There is now a single - lumen right chest wall port with catheter tip at the RA SVC junction . Relatively low lung volumes are seen . The lungs are grossly clear , there is no effusion . Cardiomediastinal silhouette is stable . Post operative changes of thoracotomy seen on the right . Anterior cervicothoracic vertebral body hardware is identified .
    OUTPUT:
    
Single - lumen right chest wall Port - A - Cath with tip at the RA SVC junction .