Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . There is no consolidation , edema , pleural effusion , or pneumothorax . The aorta is tortuous , and unchanged from the prior exam . The cardiomediastinal silhouette is otherwise normal . Again noted is levoscoliosis of the thoracic spine , similar to the prior exam .
    OUTPUT:
    
No acute cardiopulmonary process .