Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral images of the chest . The lungs are well expanded and clear . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is top normal is size . There is no free air in the mediastinum or under the diaphragm .
    OUTPUT:
    
No acute cardiopulmonary process . No evidence of pneumoperitoneum or pneumomediastinum .