Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker device with leads terminating in the right atrium and right ventricle is unchanged . The heart size remains normal . The mediastinal and hilar contours are stable , with atherosclerotic calcifications again noted at the aortic knob . The pulmonary vasculature is not engorged . The lungs remain hyperinflated with unchanged blunting of the left costophrenic angle on the lateral view , which may be due to chronic pleural thickening . No focal consolidation , pleural effusion or pneumothorax is seen . Bilateral breast implants are noted . There are multilevel mild degenerative changes in the thoracic spine . Remote fracture of the left 6th rib posteriorly is re - demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .