Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of focal consolidation , pleural effusion , pneumothorax , or frank pulmonary edema . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities are detected . There is mild atelectasis and flattening of the hemidiaphragms at the lung bases .
    OUTPUT:
    
No evidence of acute cardiopulmonary process or displaced rib fractures .