Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . The osseous structures are unremarkable , though the asymmetry of the chest cage which was visible on CT would be difficult to appreciate on chest radiographs .
    OUTPUT:
    
No acute cardiopulmonary process . The chest cage asymmetry visualized on the prior CT is difficult to reevaluate by chest radiography .