Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and clear . No pleural effusion or pneumothorax . No pneumomediastinum . Heart size , mediastinal contour , and hila are unremarkable . Visualized osseous structures are unremarkable . Limited assessment of the upper abdomen is unremarkable . No free intraperitoneal air .
    OUTPUT:
    
No acute cardiopulmonary process . Specifically , no pneumothorax or pneumomediastinum .