Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual lead left - sided pacemaker is seen with lead extending the expected positions of the right atrium and right ventricle . Mild bibasilar atelectasis is seen . No focal consolidation is seen . There is no large pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are grossly stable .
    OUTPUT:
    
No acute cardiopulmonary process . No evidence of free air beneath the diaphragms .