Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal upright and lateral chest radiographs were obtained . The lungs are well expanded . Cardiomediastinal silhouette is normal . Lungs are clear without focal consolidation or edema . There is no pleural effusion and no pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary abnormalities .