Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Left chest wall pacer device is new from prior with pacer leads extending into the region the right atrium and right ventricle . External EKG leads are present . Lung volumes are low . The hila appear min mildly prominent which could reflect a mildly congested state without frank pulmonary edema , large effusion . No pneumothorax . No evidence of pneumonia . Heart size is normal . Bony structures are intact .
    OUTPUT:
    
Mild hilar congestion .