Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . No displaced fracture is seen , however , please note that this exam is not optimal for the evaluation of acute thoracic spine injury .
    OUTPUT:
    
No acute cardiopulmonary process . Please note this chest radiograph exam is not optimal for the evaluation of thoracic spine injury .