Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear without lobar consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits . No displaced rib fractures identified . No evidence of pneumoperitoneum .
    OUTPUT:
    
No acute fracture or acute cardiopulmonary process .