Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Dual - lead left - sided pacemaker is again seen with leads extending to the expected positions of the right atrium and right ventricle . The cardiac silhouette is top normal . The aorta is tortuous . There is minimal left greater than right bibasilar atelectasis . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The aorta is tortuous and calcified . Some degenerative changes are seen along the spine , similar to prior .
    OUTPUT:
    
Minimal left base atelectasis . Otherwise , no acute cardiopulmonary process .