Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest wall cardiac pacer with leads terminating in the apparent expected locations of the right atrium and right ventricle . There is no pleural effusion or pneumothorax . Mild prominence of the central vascular structures may reflect mild fluid overload .
    OUTPUT:
    
Mild prominence of the central vascular structures may reflect mild fluid overload .