Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There is minimal left basilar atelectasis but no focal opacities concerning for pneumonia . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . No subdiaphragmatic air is seen .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . No evidence of pneumoperitoneum .