Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided dual - chamber pacemaker device is noted with leads terminating in the right atrium and right ventricle , unchanged . Mild enlargement of the cardiac silhouette with a left ventricular predominance is re - demonstrated . The aorta remains tortuous . Mediastinal and hilar contours are similar . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is present . Streaky and linear opacities in the lung bases likely reflect areas of minimal atelectasis . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .