Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . The cardiomediastinal silhouette is unremarkable . There is no pleural effusion , pneumothorax , or pulmonary edema . S - shaped thoracolumbar scoliosis is noted , with the thoracic spine convexed to the right .
    OUTPUT:
    
No acute cardiopulmonary process .