Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . The lungs are well expanded without focal consolidation concerning for pneumonia . Mild left basilar atelectasis is present . The upper abdomen is unremarkable . No acute osseous abnormality is present .
    OUTPUT:
    
No acute cardiopulmonary process . Mild left basilar atelectasis .