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 . 2 lead left - sided pacer is seen with leads extending the expected positions of the right atrium and right ventricle . No pulmonary edema is seen . Degenerative changes are incidentally noted along the spine . No acute displaced fracture seen .
    OUTPUT:
    
No acute cardiopulmonary process .