Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Evaluation is slightly limited due to severe levoscoliosis of the thoracic spine . Within those limitations , the cardiomediastinal silhouette and hila are normal . There is no pleural effusion and no pneumothorax .
    OUTPUT:
    
Severe thoracic levoscoliosis , no acute cardiothoracic process .