Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Left chest wall Port - A - Cath is again noted with catheter tip extending into the upper SVC as on prior . There is a tripolar pacer again noted implanted in the right chest wall with leads extending into the right atrium , right ventricle and region of the coronaries sinus . The heart size is normal . There is no focal consolidation , large effusion or pneumothorax . There may be mild hilar congestion though there is no frank pulmonary edema . Imaged bony structures appear intact .
    OUTPUT:
    
Mild hilar congestion , otherwise unremarkable .