Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . Left - sided pacemaker with leads terminating in the right atrium and right ventricle . Mild scoliosis .
    OUTPUT:
    
No pneumothorax . No acute cardiopulmonary process .