Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . There is no pleural effusion pneumothorax . The lungs are expanded clear without focal consolidation concerning for pneumonia . Known right rib fractures are better assessed on recent chest CT . The upper abdomen is unremarkable .
    OUTPUT:
    
No pneumothorax or other acute cardiopulmonary process .